Platinumgirl

an insider’s guide to jewelry

Archive for the ‘loose diamonds’ Category

Virtual Purchase: Great Quality $2000 Round Diamond

Posted by platinumgirl on May 15, 2009

Last week, I helped a friend search for a diamond.  Unfortunately, she lost her diamond from the setting, due to prongs breaking on her ring (fairly common, see my recent post about leaving rings for service).  She did have insurance on the ring, and with that reimbursement, had $2000 to spend on a new diamond.

She had an approximate .50 carat center diamond before, from a mall store.  We quickly figured out that she would get a better value shopping for a diamond online.  Some local independent jewelers may be able to come close to online pricing, but most mall jewelry chain stores cannot. 

I searched mainly on Blue Nile and Amazon.com.  I know from previous research and other loose diamond Virtual Purchases (click here for a round 1 carat virtual purchase), that these 2 sites have the best combination of selection, quality, and price.  Both have relatively intuitive search features and some customer support if you need it.

My friend wanted very nice quality (D to G color, VS1 to SI1 clarity, and Very Good to Ideal cut), but was excited to find that she could go up slightly in size even in that fine quality range.  I narrowed it down to several diamonds from each of the sites.  For all of the diamonds listed, they are GIA certified, and I liked all of the details: none had medium or higher Fluorescence, the girdles were not too thin or too thick, and I liked their relative table and depth percentages.  ANY of these diamonds would be drop-dead gorgeous.

My list of Blue Nile choices (if you click on the price, it will take you to the diamond’s detail page):

Carat:    Price:    Color: Clarity: Cut: Depth %: Table %:   Symmetry: Polish:
0.73    $ 2,029.00   G SI1 ID 61.2% 56%   VG VG
0.62    $ 1,966.00   E VS2 ID 61.3% 56%   EX VG
0.64    $ 1,831.00   F VS2 ID 62.6% 54%   VG VG

The first choice represents a larger carat weight.  Both the weight and measurements are significantly larger than what she had, without sacrificing too much on quality.  The second choice is very fine quality, with the smallest carat weight of these options while staying in her price range.  The third choice is still wonderful quality, but is very slightly larger with a great price tag.

Here are my Amazon choices (again, click on the price to go to that diamond’s detail page):

Carat:    Price:    Color: Clarity: Cut: Depth %: Table %:   Symmetry: Polish:
0.74    $ 1,920.00   G SI1 ID 60.3% 58%   VG VG
0.65    $ 2,015.00   D VS2 VG 61.1% 60%   VG G
0.62    $ 1,905.00   E VS2 ID 61.6% 57%   EX EX

I followed the same logic for these diamonds: 1st choice is larger but still great quality, 2nd is one of the finest qualities but still reasonable size and in her price range, and 3rd option is a wonderful balance between nice size and quality.

What I found is that Amazon’s prices are just a tiny bit better across the board.  Not by much: in this case maybe a difference of $50 to $100.  But that difference might cover the cost of setting the stone.  Blue Nile may be able to provide a little more guidance, so perhaps that is worth the additional cost. 

Ultimately, my friend chose the .62 E VS2 from Amazon (sorry, it’s sold!) for $1905, it was just an excellent value and a great balance of factors. 

Bottom line, for $2000 you could have a nice, no-apology quality 3/4 ct; a very nice, heirloom quality 2/3 carat; or very rare quality 1/2 carat.  I feel that for this purchase, she made an excellent, balanced decision.

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Kiss My (Royal) Asscher…

Posted by platinumgirl on March 17, 2009

…Asscher Cut, that is.  All jokes about the name aside, Asscher cuts have been making waves since the early 1900’s.  If you’re not familiar, the name refers to stunningly beautiful, modified square-cut diamonds.  They sort of speak for themselves, don’t you think?

Royal Asscher 3-Stone Ring

Royal Asscher 3-Stone Ring

What is an Asscher Cut and what makes it special? 

Asscher cuts have a wonderfully rich history.  The Asscher brothers were diamond cutters in Amsterdam around the turn of the 19th century.  Their cutting house became quite known for their skill and precision.  In 1902, Joseph Asscher developed a variation of the classic emerald cut.  This new cut was square, versus the rectangular emerald cut, with proportionally larger blocked corners, forming an almost octagonal outline.  The bottom was scissor-cut with symmetrical parallel facets, ending in a single central point, instead of the standard keel-line of the emerald cut.  The symmetry of this new style, combined with the greater depth of the stone, resulted in such radiant brilliance that people were really dazzled.  The design was patented, and a number of Asschers were cut and set into the Art Deco style of the times until World War II. 

Platinum Art Deco Ring with Asscher Cuts, $32,000 Retail

Platinum Art Deco Ring with Asscher Cuts, $32,000 Retail

A bit of Asscher history:

If the Asscher name sounds familiar, you might be interested to know that in 1907, Joseph Asscher cut the Cullinan, a 3106 carat rough diamond.  The largest cut diamonds from the Cullinan are part of the Crown Jewels of Britain.  Diamond cutting at the time was totally done by hand, and the first cut made had to be accurate to split the crystal atoms correctly, or the world’s largest diamond would become the world’s most expensive pile of diamond dust.  Legend has it that ol’ Asscher struck the first blow to cleave the stone (successfully, obviously), then promptly passed out.  (The family refutes that, but I’m sticking with it.)

A Note About Size and Quality of Asscher Cuts

Color can concentrate in the corner facets of this cut, plus you can see inclusions through the clear step facets, so I recommend going a little higher quality with this cut: G or higher color, VS2 or higher clarity (click here for a diamond quality overview).  If you are in love with an Asscher cut, you should know that they face up quite small for their carat weight due to their depth relative to their diameter.  If you have a modest budget, or you prefer a diamond under 1 carat, you really should see a mounted stone and try it on for size.  A “halo” mounting, one with diamonds micro-paved around the center stone, will add a lot of volume without the same expense of going with a much larger carat weight Asscher center stone.

 

Danhov ME2 Pave Diamond Mounting for Asscher Cut

Danhov ME2 Pave Diamond Mounting for Asscher Cut

 

Modern Asscher Cuts

Sometime in the late 1990’s, coinciding with renewed interest in estate-looking mountings and platinum designs (plus mentions in Sex and the City and celebrity wearers like Kate Hudson), consumers rediscovered the Asscher cut.  In 2001, Edward and Joop Asscher updated the design slightly, adding more facets and a slightly larger table to increase brilliance.  Now you can purchase authorized Asschers from Royal Asscher.  

Other diamonds are cut into a similar style.  They may not all have the actual “Asscher Signature”, but there are a lot of gorgeous modified-square brilliants out there, in some equally stunning mountings.  

Here is a beautiful 1 carat Asscher cut from Blue Nile, it’s a great balance of color/clarity for this cut (you can choose a mounting from their selection):

Blue Nile 1.01ct Asscher Cut, G color, VS1 clarity, $4677 Retail

Blue Nile 1.01ct Asscher Cut, G color, VS1 clarity, $4677 Retail

Here’s an Asscher mounting to maximize bling:
Pave Split-Shank Setting for Asscher Cut

Pave Split-Shank Setting for Asscher Cut

Lest you think I am only about $30,000+ totally beautiful yet unattainable Asscher Cut rings (see my fav-or-ite Asscher ring here), here is a relatively affordable .77 ct Asscher Cut  in a pave split-shank mounting by one of my all-time-favorite jewelry designers, Mark Patterson:
.77 ct Asscher Cut Diamond in Micro Pave Mark Patterson Setting, $8225 Retail

.77 ct Asscher Cut Diamond in Micro Pave Mark Patterson Setting, $8225 Retail

If you are into simple elegance, maybe a solitaire is in order:
Blue Nile Trellis Solitaire Setting with Asscher Cut Center

Blue Nile Trellis Solitaire Setting with Asscher Cut Center

With their clean outline and sophisticated brilliance, Asscher Cuts manage to be very modern and very classic at the same time.

Posted in 3-stone rings, designer jewelry, diamond jewelry, diamonds, engagement rings, jewelry, loose diamonds, online jewelers, rings | Tagged: , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a Comment »

Internet Diamond Price List and Index

Posted by platinumgirl on January 30, 2009

I have compiled a table of diamond prices.  I researched the diamond prices for common sizes and quality combinations of GIA or AGS certified diamonds from leading diamond websites, including Blue Nile, Amazon.com, Union Diamond, Abazias, Mondera.com, Adiamor, and others.  This list is an up-to-date price that you should pay for each respective carat size, color and clarity.  If you pay close to the prices shown below, you can rest assured you are getting an excellent value for that size/quality of diamond.

Why does this exist?  This list is intended to reduce the complexity of the diamond listings you will find online.  Many listings will show almost identical diamonds with large price variances due to the different vendors those companies buy from and their pricing algorithms.  This price list shows a rational, logical approach that tries to distill the information in a transparent way. 

I will research and update these prices each month.  I will also compare the diamond prices to previous month’s prices and will report on the relative changes through the Internet Diamond Price Index.  Because this is the first month, January 2009, the idazzle.com Index is 100.

idazzle.com Internet Diamond Price List
January, 2009
Competitive prices for each Size, Color and Quality combination        
All are Very Good or Ideal Cut                
                       
idazzle.com Diamond Price Index (IDCX) = 100    
                       
    *Index is compared to diamond prices in Januaray, 2009      
                       
                       
  0.25 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2 0.75 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2
D 655 549 523 509   D 7,004 4,256 3,162 2,350
  E 641 537 513 505   E 5,148 4,225 3,370 2,228
  F 632 524 509 499   F 4,563 4,201 3,138 2,203
  G 627 518 507 495   G 3,977 3,389 2,843 2,140
  H 605 ` 489 475   H 3,964 2,946 2,297 1,868
  I 588 486 475 462   I n/a 2,762 2,281 1,673
  J 566 468 458 445   J 2,518 2,218 1,455 1,339
                       
  0.33 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2 1.00 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2
D 1,130 873 663 515   D 18,101 11,846 7,787 5,610
  E 1,112 758 588 465   E 12,223 11,318 6,767 4,606
  F 1,059 751 578 449   F 11,792 9,656 6,632 4,387
  G 874 672 568 435   G 8,219 7,965 5,689 4,313
  H 826 659 544 430   H 7,360 6,800 4,830 4,224
  I 780 651 442 355   I 6,170 5,610 4,339 3,566
  J n/a n/a n/a 379   J 4,540 3,942 3,553 3,123
                       
  0.50 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2 1.50 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2
D 3,048 2,290 1,466 1,107   D 43,232 28,461 18,996 11,028
  E 2,663 2,213 1,376 1,102   E 32,097 27,624 18,751 10,363
  F 2,424 1,870 1,321 998   F 24,706 22,256 14,853 10,270
  G 2,073 1,673 1,180 975   G 19,825 18,310 12,705 9,248
  H 1,972 1,446 1,134 955   H 13,357 11,619 10,832 8,136
  I 1,625 1,173 1,033 751   I 12,211 10,955 8,955 7,379
  J n/a 937 702 594   J 9,751 9,531 7,239 6,293
                       
  0.60 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2 2.00 ct IF VVS1-VVS2 VS1 – VS2 SI1 – SI2
D 3,958 2,981 2,031 1,567   D 85,205 55,171 34,726 18,478
  E 3,056 2,549 2,018 1,370   E 60,534 51,693 33,090 18,250
  F 2,984 2,264 1,884 1,298   F 44,708 43,280 31,467 18,192
  G 2,479 2,235 1,729 1,250   G 32,394 30,433 22,881 15,604
  H 2,382 1,985 1,263 1,005   H 31,719 29,617 19,333 14,963
  I 2,350 1,978 1,172 997   I 23,874 20,033 14,488 13,845
  J n/a 1,654 1,023 950   J n/a 16,809 12,566 11,548
                       
                       
  Copywrite idazzle.com LLC 2008
www.idazzle.com                  

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Virtual Purchase: 1 Carat Round Diamond

Posted by platinumgirl on January 13, 2009

Several times a month, I am going to do a “virtual purchase” of a piece of jewelry.  I will  articulate a jewelry purchase scenario, and go through the decision-making process of what, how and where I choose to “purchase” the item.

What:  This week I am looking for a 1.00 carat round diamond, loose.  My “customer” wants the nicest quality he can afford, but won’t go below 1.00 carat weight.  I am only going to look at diamonds with an AGS or GIA certificate so there is some confidence that I will get the diamond quality I’m expecting. 

Where: I am going to shop online at Blue Nile, Amazon.com, Diamond.com, and Union Diamond.

(The Gold Standard) Blue Nile:  I go to Blue Nile first.  I do a search for loose diamonds that can be mounted by a specific date (if you are more flexible on date, there are more results), 0.90 to 1.15 carat, Very Good Cut or better, I Color or better, SI2 Clarity or better.  There are 246 diamonds in my search result.  Now it’s time to refine.   I review this primer on diamond quality 4 Cs, so I know that cut is important.  I sort for that and find that only 2 of the 215 diamonds are Very Good Cut, the rest are Ideal or Signature Ideal.

I know that color is also important, so I sort for that next, high to low.  I decide that a D or E color, while beautiful, are much more expensive than the equally gorgeous F and G color, and that VS2 to SI1 clarity seems like a nice range.  So I check the compare boxes next to a few combinations of F and G color, VS2 and SI1 clarity, Very Good, Ideal and Signature Ideal cut, and hit the ”Compare” button at the top of the column.  It opens a new page with the diamonds listed side-by-side in a neat comparison format. 

I remove 3 diamonds right off the bat, due to medium to strong blue Fluorescence.  It doesn’t really affect beauty that much in faint to medium (and may make the diamond more attractively priced), but while it might actually help me out if I were purchasing an I or J (or lower) color, in a premium color diamond, it’s not that desirable.  The diamonds that are left range from $5300 to $8800–kind of a big price spread.  I rule out the 2 highest priced diamonds (over $8000), mainly because there is nothing significantly better about them than the others.  Wearing my Gemologist hat, I scrutinize the numbers for a while.  I ultimately choose a 1.09 ct F, SI1, Signature Ideal for $6783.  What tips me this direction is that it has a 60% depth percentage with a 56% table, so its diameter is going to appear slightly larger than the other top contender at 62% depth/55% table.  The actual diameter measurement is also slightly larger, but I know I’m not sacrificing beauty for that, because it’s a Signature Ideal cut with the certificates to show for it.  It wasn’t the cheapest, but it was right in the middle of the pack ($5300 low to $7600 high).

(The Mighty) Amazon.com: Now that I have a more precise picture of what I’m looking for, I head to Amazon.com (is there anything they don’t sell now?).  As an Amazon.com insider (see here to read more), I know that Amazon tries to be the lowest price in loose diamonds whenever they can.  At Amazon’s site, you can find their loose diamond/Create Your Own Diamond Ring selection on their Jewelry gateway page, or by clicking here

I adjust the sliders to find diamonds in the same quality range I used for Blue Nile, with a price cap of $10,000.  I figure out (through trial and error) that Amazon’s slider is not as sensitive as Blue Nile’s so I have to move the slider up to 1.25 ct in order to get diamonds over 1.00.  I get 631 results.  Their compare feature does not have the same level of detail as BN’s–there are no measurements or girdle thickness, you have to click through to the detail page for each stone to find out those details.

I found a great 1.08 F, SI1 ”Ideal” cut (meaning that the table and depth percentages fit into the Ideal range), that looked like a great value at $5775.  But closer inspection revealed that it said “Very Good” under the Polish and Symmetry comments, so it’s not technically the same as the Signature Cut Ideal from Blue Nile.  But if you weren’t so picky about that, it would be a great value.  Since the G, VS2 combination was $1000 more, I stuck with the F, SI1 quality combination.  The final diamond at Amazon that is most comparable to the BN diamond is a 1.07 ct F, SI1, Ideal cut for $6610.  I like the 55% table/61% depth combination, and it’s diameter is 6.6 mm, similar to the BN diameter of 6.7 mm.  If I wanted about the same factors, but was willing to go down in size slightly to 1.00 ct exactly, Amazon had a nice diamond for $5940, but the diameter is slightly smaller at 6.46 mm.   

(Disappointing) Diamond.com:  I couldn’t find a great comp at Diamond.com.  The closest I could find was a 1.03 ct, F, SI1, Ideal cut for $5908.  It is not as large, and had medium blue Fluorescence, which I rejected at the other companies.  The selection was dismal, maybe 4 diamonds that were even close.

(The Darkhorse Surprise) Union Diamond: Union Diamond seems to come up a lot in search engines, so I checked them out, too.  Closest comparable diamond: a very nice 1.06 ct, F, SI1, AGS-certified Ideal cut for $6435.  If it is as nice as the website says, it’s one of the best values I came across, especially if the company could verify if the AGS certificate identifies the diamond as a “000″ Ideal (Ideal proportions, Polish and Symmetry).  The only drawback is that I’m not as familiar with the company, so I can’t give a full endorsement without ordering something.

Final Diamond Virtual Purchase:the 1.07 ct F, SI1, Ideal from Amazon.com.  While any of my top three diamonds (my top pick from BN, Amazon.com and Union) would have been incredibly brilliant, I like the value proposition of the price in the middle ($6435 from Union Diamond, $6610 from Amazon, $6783 from BN), PLUS the safety/reputation of Amazon.com.  If I get some personal experience with Union, or hear from someone who has, then I might go with that option.

Bottom Line:  With certified diamonds, you can–in theory–easily compare all the factors online and then buy something that should be a beautiful diamond.  The reality is that it’s pretty confusing trying to sort through literally hundreds, even thousands of similar diamonds that all have tiny differences that seem to affect value significantly.  It’s important to remember that although it seems like there are so many details to consider, at some point it’s splitting hairs–if you are staying in a quality range of Very Good Cut, I color, SI2 and better, you will end up with a gem with plenty of sparkle.  I chose an Ideal, F color, SI1 as a gorgeous diamond quality with an excellent value proposition.  A lot of people think that a G, VS2 combination is an ideal engagement ring, but most of those diamonds were $1000 or more for that quality combo, and I prefer the higher color–you can’t see the difference in clarity at all from VS2 to SI1.

Of course, if you go to a reputable jeweler in your area, you could compare several qualities and see for yourself if there is a difference worth paying for.

Posted in diamond education, diamonds, engagement rings, loose diamonds, online jewelers, online reviews, physical jewelers, rings, virtual purchase | Tagged: , , , , , , , , , , , , , , , , , , | 1 Comment »