CaratHunter
Plans
Radiant|Lab Grown|IGI

15.31ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG797691346

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG797691346

Diamond specifications and retailer prices

From $6,717 SGD
£4,136 GBP
As of November 2, 2026
Save $32,443 SGD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $42,101 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 15.31ct lab-grown radiant diamond

This 15.31ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797691346 or 797691346. Listed at 16 retailers as of November 2, 2026, with a 483% 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

15.31
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797691346
Dimensions17.87 × 12.02 × 7.67 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.87 mm12.02 mm15.31 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797691346
Side View
Table 69.0%Crown 47.3°Girdle: STK-THKPavilion 30.5°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $39,160 SGD|Low: $6,364 SGD|High: $41,462 SGD|Avg: $18,021 SGD|+515.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$6,717 SGD
Retailer 8$7,577 SGD
Retailer 9$7,577 SGD
Retailer 2$7,634 SGD
Retailer 4$10,743 SGD
Retailer 7$12,946 SGD
Retailer 6$15,954 SGD
Retailer 3$21,538 SGD
Retailer 11$24,251 SGD
Retailer 1$39,160 SGD
Retailer 10$40,221 SGD

41 data points across 11 retailers

16 retailers$6,717 SGD to $39,160 SGD

A
Cheapest Retailer
-
$6,717 SGD
£4,136 GBP
B+
Retailer 2
-
$6,858 SGD
CA$7,448 CAD
View
Retailer 3
-
$7,577 SGD
$5,925 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$7,577 SGD
$5,925 USD
View
B+
Retailer 5
-
$7,634 SGD
$5,969 USD
View
B+
Retailer 6
-
$10,743 SGD
£6,614 GBP
View
B
Retailer 7
-
$10,944 SGD
$8,557 USD
View
B+
Retailer 8
-
$12,946 SGD
ZAR 163,539 ZAR
View
Retailer 9
-
$13,468 SGD
$10,531 USD
View
Price last confirmed 85 days ago
B
Retailer 10
-
$15,954 SGD
A$19,192 AUD
View
B
Retailer 11
-
$16,555 SGD
$12,945 USD
View
B
Retailer 12
-
$21,538 SGD
$16,841 USD
View
B
Retailer 13
-
$29,481 SGD
$23,052 USD
View
A
Retailer 14
-
$39,160 SGD
$30,620 USD
View
Retailer 15
-
$40,221 SGD
$31,450 USD
View
Price under review
Most Expensive
Do Amore Diamonds
25-1509702-082 · Nov 2
$42,101 SGD
$32,920 USD
View
Price under review
15 more retailers have this diamond
Prices start from $6,717 SGDSave up to $32,443 SGD

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.

A
15.31ct Radiant
$6,717 SGD