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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 $15,021 NZD
$8,466 USD
As of November 1, 2026
Save $53,854 NZD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $68,875 NZD at With Clarity · As of October 31, 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 31, 2026, with prices from $15,021 to $68,875, a $53,854 spread on the same certified stone. With Clarity lists it at $68,875. 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°
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

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 1
Current: $31,441 NZD|Low: $15,021 NZD|High: $70,404 NZD|Avg: $34,103 NZD|-4.7%
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
November 1, 2026
Retailer 10$15,021 NZD
Retailer 6$17,755 NZD
Retailer 3$18,464 NZD
Retailer 4$19,056 NZD
Retailer 9$19,858 NZD
Retailer 7$20,425 NZD
Retailer 8$28,364 NZD
Retailer 12$29,649 NZD
Retailer 11$30,981 NZD
Retailer 1$31,441 NZD
Retailer 2$34,413 NZD
Retailer 5$47,673 NZD
Retailer 13$54,498 NZD
With Clarity$68,875 NZD

39 data points across 14 retailers

14 retailers$15,021 NZD to $68,875 NZD

A
Cheapest Retailer
-
$15,021 NZD
$8,466 USD
A
Retailer 2
-
$17,755 NZD
$10,007 USD
View
A
Retailer 3
-
$18,464 NZD
HK$81,300 HKD
View
Retailer 4
-
$19,056 NZD
$10,740 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$19,858 NZD
$11,192 USD
View
A
Retailer 6
-
$20,425 NZD
£9,064 GBP
View
A
Retailer 7
-
$28,364 NZD
€15,225 EUR
View
B+
Retailer 8
-
$29,649 NZD
$16,710 USD
View
B+
Retailer 9
-
$30,981 NZD
$17,461 USD
View
B+
Retailer 10
-
$31,441 NZD
£13,953 GBP
View
B+
Retailer 11
-
$34,413 NZD
ZAR 313,328 ZAR
View
B
Retailer 12
-
$47,673 NZD
$26,869 USD
View
B
Retailer 13
-
$54,498 NZD
$30,715 USD
View
Most Expensive
B
With Clarity
768630668 · Oct 31
$68,875 NZD
$38,818 USD
View
13 more retailers have this diamond
Prices start from $15,021 NZDSave up to $53,854 NZD

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
$15,021 NZD