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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 HK$41,209 HKD
£4,136 GBP
As of November 2, 2026
Save HK$199,038 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$258,294 HKD 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: HK$240,248 HKD|Low: HK$39,042 HKD|High: HK$254,371 HKD|Avg: HK$110,561 HKD|+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 5HK$41,209 HKD
Retailer 8HK$46,488 HKD
Retailer 9HK$46,488 HKD
Retailer 2HK$46,833 HKD
Retailer 4HK$65,907 HKD
Retailer 7HK$79,427 HKD
Retailer 6HK$97,879 HKD
Retailer 3HK$132,136 HKD
Retailer 11HK$148,782 HKD
Retailer 1HK$240,248 HKD
Retailer 10HK$246,760 HKD

41 data points across 11 retailers

16 retailersHK$41,209 HKD to HK$240,248 HKD

A
Cheapest Retailer
-
HK$41,209 HKD
£4,136 GBP
B+
Retailer 2
-
HK$42,075 HKD
CA$7,448 CAD
View
Retailer 3
-
HK$46,488 HKD
$5,925 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
HK$46,488 HKD
$5,925 USD
View
B+
Retailer 5
-
HK$46,833 HKD
$5,969 USD
View
B+
Retailer 6
-
HK$65,907 HKD
£6,614 GBP
View
B
Retailer 7
-
HK$67,139 HKD
$8,557 USD
View
B+
Retailer 8
-
HK$79,427 HKD
ZAR 163,539 ZAR
View
Retailer 9
-
HK$82,625 HKD
$10,531 USD
View
Price last confirmed 85 days ago
B
Retailer 10
-
HK$97,879 HKD
A$19,192 AUD
View
B
Retailer 11
-
HK$101,568 HKD
$12,945 USD
View
Retailer 12
-
HK$132,136 HKD
$16,841 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
HK$180,867 HKD
$23,052 USD
View
B
Retailer 14
-
HK$240,248 HKD
$30,620 USD
View
Retailer 15
-
HK$246,760 HKD
$31,450 USD
View
Price under review
Most Expensive
Do Amore Diamonds
25-1509702-082 · Nov 2
HK$258,294 HKD
$32,920 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$41,209 HKDSave up to HK$199,038 HKD

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
HK$41,209 HKD