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Radiant|Lab Grown|IGI

5.31ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768630156

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

Certificate IGI LG768630156

Diamond specifications and retailer prices

From €9,836 EUR
$10,989 USD
As of October 30, 2026
Save €36,491 EUR (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €46,327 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.31ct lab-grown radiant diamond

This 5.31ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630156 or 768630156. Listed at 13 retailers as of October 30, 2026, with prices from €9,836 to €46,327, a €36,491 spread on the same certified stone. With Clarity lists it at €46,327. 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

5.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630156
Dimensions12.75 × 8.56 × 5.58 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.75 mm8.56 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630156
Side View
Table 63.0%Crown 42°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 65.2%

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: Oct 30
Current: €19,079 EUR|Low: €9,505 EUR|High: €46,327 EUR|Avg: €20,669 EUR|-15.9%
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
With Clarity
October 31, 2026
Retailer 5€9,505 EUR
Retailer 11€9,836 EUR
Retailer 13€10,847 EUR
Retailer 2€11,013 EUR
Retailer 10€11,117 EUR
Retailer 7€13,471 EUR
Retailer 6€16,013 EUR
Retailer 9€17,864 EUR
Retailer 1€19,079 EUR
Retailer 3€20,691 EUR
Retailer 8€22,984 EUR
Retailer 12€31,369 EUR
Retailer 4€33,904 EUR
With Clarity€46,327 EUR

34 data points across 14 retailers

13 retailers€9,836 EUR to €46,327 EUR

A
Cheapest Retailer
-
€9,836 EUR
$10,989 USD
A
Retailer 2
-
€10,847 EUR
$12,118 USD
View
A
Retailer 3
-
€11,013 EUR
$12,304 USD
View
A
Retailer 4
-
€11,117 EUR
$12,420 USD
View
A
Retailer 5
-
€13,471 EUR
£11,850 GBP
View
A
Retailer 6
-
€16,013 EUR
$17,890 USD
View
A
Retailer 7
-
€17,864 EUR
£15,715 GBP
View
B+
Retailer 8
-
€19,079 EUR
View
B+
Retailer 9
-
€20,691 EUR
$23,116 USD
View
B+
Retailer 10
-
€22,984 EUR
ZAR 414,824 ZAR
View
B+
Retailer 11
-
€31,369 EUR
$35,046 USD
View
B
Retailer 12
-
€33,904 EUR
$37,878 USD
View
Most Expensive
B
With Clarity
768630156 · Oct 31
€46,327 EUR
$51,757 USD
View
12 more retailers have this diamond
Prices start from €9,836 EURSave up to €36,491 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
5.31ct Radiant
€9,836 EUR