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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 €4,437 EUR
$4,976 USD
As of November 1, 2026
Save €16,116 EUR (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €29,351 EUR 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 October 31, 2026, with a 363% 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,683 EUR|Low: €4,437 EUR|High: €28,905 EUR|Avg: €12,571 EUR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6€4,437 EUR
Retailer 1€4,683 EUR
Retailer 8€5,283 EUR
Retailer 9€5,283 EUR
Retailer 2€5,322 EUR
Retailer 4€7,427 EUR
Retailer 7€9,026 EUR
Retailer 5€11,122 EUR
Retailer 3€15,015 EUR
Retailer 11€16,907 EUR
Retailer 10€28,040 EUR

40 data points across 11 retailers

16 retailers€4,437 EUR to €20,553 EUR

A
Cheapest Retailer
-
€4,437 EUR
$4,976 USD
A
Retailer 2
-
€4,683 EUR
£4,136 GBP
View
B+
Retailer 3
-
€4,781 EUR
CA$7,448 CAD
View
Retailer 4
-
€5,283 EUR
$5,925 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
€5,283 EUR
$5,925 USD
View
B+
Retailer 6
-
€5,322 EUR
$5,969 USD
View
B+
Retailer 7
-
€7,427 EUR
£6,559 GBP
View
B
Retailer 8
-
€7,629 EUR
$8,557 USD
View
B+
Retailer 9
-
€9,026 EUR
ZAR 163,539 ZAR
View
Retailer 10
-
€9,389 EUR
$10,531 USD
View
Price last confirmed 85 days ago
B
Retailer 11
-
€11,122 EUR
A$19,192 AUD
View
B
Retailer 12
-
€11,542 EUR
$12,945 USD
View
B
Retailer 13
-
€15,015 EUR
$16,841 USD
View
B
Retailer 14
-
€20,553 EUR
$23,052 USD
View
Retailer 15
-
€28,040 EUR
$31,450 USD
View
Price under review
Most Expensive
Do Amore Diamonds
25-1509702-082 · Nov 2
€29,351 EUR
$32,920 USD
View
Price under review
15 more retailers have this diamond
Prices start from €4,437 EURSave up to €16,116 EUR

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
€4,437 EUR