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Princess|Lab Grown|IGI

16.59ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG603337553

Shape and cutting style on the report: Princess cut

Certificate IGI LG603337553

Diamond specifications and retailer prices

From $12,566 USD
As of November 2, 2026
Save $20,314 USD (62%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $40,424 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 16.59ct lab-grown princess diamond

This 16.59ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG603337553 or 603337553. Listed at 21 retailers as of October 31, 2026, with a 162% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

16.59
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603337553
Dimensions13.54 × 13.54 × 9.22 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.54 mm13.54 mm16.59 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603337553
Side View
Table 70.0%Crown 47.1°Girdle: ThickPavilion 33.9°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $26,198 USD|Low: $11,501 USD|High: $38,729 USD|Avg: $18,554 USD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 2$11,980 USD
Retailer 7$12,459 USD
Retailer 6$12,566 USD
Retailer 5$13,024 USD
Retailer 8$13,416 USD
Retailer 18$13,695 USD
Retailer 17$13,790 USD
Retailer 3$13,897 USD
Retailer 9$14,245 USD
Retailer 4$14,820 USD
Retailer 12$16,250 USD
Retailer 11$18,805 USD
Retailer 15$20,425 USD
Retailer 13$21,513 USD
Retailer 14$23,347 USD
Retailer 1$26,198 USD
Retailer 16$32,880 USD
Retailer 10$38,729 USD

33 data points across 18 retailers

21 retailers$12,566 USD to $32,880 USD

Retailer 1
-
$11,980 USD
Price last confirmed 11 days ago
Retailer 2
-
$12,459 USD
View
Price last confirmed 13 days ago
B
Retailer 3
-
$12,566 USD
View
Retailer 4
-
$13,024 USD
View
Price last confirmed 11 days ago
B
Retailer 5
-
$13,416 USD
View
Final sale: no returns
B+
Retailer 6
-
$13,695 USD
View
B
Retailer 7
-
$13,790 USD
View
Retailer 8
-
$13,897 USD
View
Price last confirmed 20 days ago
Retailer 9
-
$13,897 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$14,245 USD
View
Price last confirmed 54 days ago
B
Retailer 11
-
$14,820 USD
View
Retailer 12
-
$15,973 USD
View
Price last confirmed 19 days ago
B
Retailer 13
-
$16,250 USD
£12,795 GBP
View
B
Retailer 14
-
$18,805 USD
A$28,930 AUD
View
B
Retailer 15
-
$20,425 USD
View
B
Retailer 16
-
$21,513 USD
ZAR 347,538 ZAR
View
B
Retailer 17
-
$23,347 USD
€22,235 EUR
View
B
Retailer 18
-
$26,198 USD
A$40,305 AUD
View
B
Retailer 19
-
$32,880 USD
View
Retailer 20
-
$38,729 USD
View
Price under review
Most Expensive
Taylor and Hart
YB5G7E1 · Oct 31
$40,424 USD
View
Price under review
20 more retailers have this diamond
Prices start from $12,566 USDSave up to $20,314 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
16.59ct Princess
$12,566 USD