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Cushion|Lab Grown|IGI

5.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768630668

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768630668

Diamond specifications and retailer prices

From $8,466 USD
As of October 30, 2026
Save $30,352 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $38,818 USD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG768630668 or 768630668. Listed at 14 retailers as of October 30, 2026, with prices from $8,466 to $38,818, a $30,352 spread on the same certified stone. With Clarity lists it at $38,818. 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 angle36°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630668
Dimensions11.53 × 9.47 × 6.29 mm
L/W Ratio1.22
Girdle conditionFaceted
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
11.53 mm9.47 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630668
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 36°Culet: NoneDepth 66.4%

Caratlytics Score

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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 30
Current: $11,192 USD|Low: $8,466 USD|High: $39,680 USD|Avg: $19,296 USD|-0.5%
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 6$8,466 USD
Retailer 5$10,227 USD
Retailer 12$10,406 USD
Retailer 3$10,740 USD
Retailer 1$11,192 USD
Retailer 9$11,511 USD
Retailer 13$16,100 USD
Retailer 8$16,710 USD
Retailer 7$17,461 USD
Retailer 2$17,840 USD
Retailer 11$19,395 USD
Retailer 4$26,869 USD
Retailer 10$30,715 USD
With Clarity$38,818 USD

39 data points across 14 retailers

14 retailers$8,466 USD to $38,818 USD

A
Cheapest Retailer
-
$8,466 USD
A
Retailer 2
-
$10,227 USD
View
A
Retailer 3
-
$10,406 USD
HK$81,300 HKD
View
Retailer 4
-
$10,740 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$11,192 USD
View
A
Retailer 6
-
$11,511 USD
£9,064 GBP
View
A
Retailer 7
-
$16,100 USD
€15,333 EUR
View
B+
Retailer 8
-
$16,710 USD
View
B+
Retailer 9
-
$17,461 USD
View
B+
Retailer 10
-
$17,840 USD
£14,047 GBP
View
B+
Retailer 11
-
$19,395 USD
ZAR 313,328 ZAR
View
B
Retailer 12
-
$26,869 USD
View
B
Retailer 13
-
$30,715 USD
View
Most Expensive
B
With Clarity
768630668 · Oct 30
$38,818 USD
View
13 more retailers have this diamond
Prices start from $8,466 USDSave up to $30,352 USD

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
$8,466 USD