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Cushion|Lab Grown|IGI

5.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816608288

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816608288

Diamond specifications and retailer prices

From €6,373 EUR
$7,120 USD
As of October 31, 2026
Save €32,044 EUR (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €38,417 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.31ct lab-grown cushion diamond

This 5.31ct lab-grown cushion 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 LG816608288 or 816608288. Listed at 8 retailers as of October 31, 2026, with prices from €6,373 to €38,417, a €32,044 spread on the same certified stone. Do Amore Diamonds lists it at €38,417. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608288
Dimensions11.09 × 9.29 × 6.32 mm
L/W Ratio1.19
Girdle conditionFaceted
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
11.09 mm9.29 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608288
Side View
Table 59.0%Crown 36.5°Girdle: STK-VTKPavilion 35.9°Culet: NoneDepth 68.0%

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: Oct 31
Current: €38,417 EUR|Low: €6,373 EUR|High: €44,352 EUR|Avg: €19,117 EUR|-13.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5€6,373 EUR
Retailer 4€7,353 EUR
Retailer 7€7,561 EUR
Retailer 8€9,210 EUR
Retailer 2€12,528 EUR
Retailer 6€14,112 EUR
Retailer 3€14,957 EUR
Retailer 10€20,162 EUR
Do Amore Diamonds€38,417 EUR
Retailer 9€39,135 EUR

27 data points across 10 retailers

8 retailers€6,373 EUR to €38,417 EUR

A
Cheapest Retailer
-
€6,373 EUR
$7,120 USD
A
Retailer 2
-
€7,353 EUR
$8,215 USD
View
A
Retailer 3
-
€7,561 EUR
$8,447 USD
View
Retailer 4
-
€9,210 EUR
$10,290 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
€12,528 EUR
View
A
Retailer 6
-
€14,112 EUR
£12,414 GBP
View
B+
Retailer 7
-
€14,957 EUR
$16,710 USD
View
Most Expensive
B
Do Amore Diamonds
27-DEB1A4FD5 · Oct 31
€38,417 EUR
$42,920 USD
View
7 more retailers have this diamond
Prices start from €6,373 EURSave up to €32,044 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 Cushion
€6,373 EUR