Round|Lab Grown|IGI

16.09ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG658495631

Shape and cutting style on the report: Round brilliant

Certificate IGI LG658495631

Diamond specifications and retailer prices

From $15,075 USD
£11,870 GBP
As of November 1, 2026
Save $20,085 USD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $52,335 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 16.09ct lab-grown round diamond

This 16.09ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG658495631 or 658495631. Listed at 21 retailers as of October 31, 2026, with a 133% 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

16.09
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658495631
Dimensions16.19 × 16.16 × 9.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.19 mm16.16 mm16.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658495631
Side View
Table 57.0%Crown 36.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 61.6%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $15,075 USD|Low: $15,070 USD|High: $35,380 USD|Avg: $22,744 USD|-1.0%
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
November 1, 2026
Retailer 1$15,075 USD
Retailer 12$16,181 USD
Retailer 7$16,391 USD
Retailer 10$16,569 USD
Retailer 15$17,591 USD
Retailer 5$17,660 USD
Retailer 4$17,891 USD
Retailer 6$18,568 USD
Retailer 13$18,770 USD
Retailer 14$20,402 USD
Retailer 8$20,607 USD
Retailer 11$29,058 USD
Retailer 9$31,610 USD
Retailer 3$35,160 USD
Retailer 2$35,287 USD

39 data points across 15 retailers

21 retailers$15,075 USD to $35,160 USD

B+
Cheapest Retailer
-
$15,075 USD
£11,870 GBP
B
Retailer 2
-
$16,181 USD
View
B
Retailer 3
-
$16,391 USD
View
B
Retailer 4
-
$16,569 USD
View
B
Retailer 5
-
$17,591 USD
View
B
Retailer 6
-
$17,660 USD
View
B
Retailer 7
-
$17,891 USD
View
B
Retailer 8
-
$18,122 USD
View
Final sale: no returns
Retailer 9
-
$18,568 USD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$18,770 USD
View
Retailer 11
-
$18,770 USD
View
Price last confirmed 19 days ago
Retailer 12
-
$18,770 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$20,402 USD
View
Retailer 14
-
$20,547 USD
View
Price last confirmed 18 days ago
B
Retailer 15
-
$20,607 USD
£16,226 GBP
View
B
Retailer 16
-
$29,058 USD
ZAR 469,427 ZAR
View
B
Retailer 17
-
$31,610 USD
€30,105 EUR
View
B
Retailer 18
-
$35,160 USD
View
Retailer 19
-
$35,287 USD
A$54,287 AUD
View
Price last confirmed 9 days ago
Retailer 20
-
$46,625 USD
View
Price under review
Most Expensive
Reve Diamonds
C7202BF45 · Nov 1
$52,335 USD
View
Price under review
20 more retailers have this diamond
Prices start from $15,075 USDSave up to $20,085 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+
16.09ct Round
$15,075 USD