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Cushion|Lab Grown|IGI

5.31ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662902

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780662902

Diamond specifications and retailer prices

From $9,858 SGD
$7,711 USD
As of November 1, 2026
Save $29,409 SGD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $39,266 SGD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG780662902 or 780662902. Listed at 14 retailers as of October 31, 2026, with prices from $9,858 to $39,266, a $29,409 spread on the same certified stone. Taylor and Hart lists it at $39,266. 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 angle36.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662902
Dimensions11.84 × 9.29 × 6.05 mm
L/W Ratio1.27
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
11.84 mm9.29 mm5.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662902
Side View
Table 61.0%Crown 36.4°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 65.1%

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: Nov 1
Current: $12,803 SGD|Low: $9,858 SGD|High: $40,920 SGD|Avg: $22,214 SGD|-17.7%
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
Taylor and Hart
November 1, 2026
Retailer 10$9,858 SGD
Retailer 9$10,538 SGD
Retailer 1$12,803 SGD
Retailer 4$13,283 SGD
Retailer 2$13,385 SGD
Retailer 6$14,716 SGD
Retailer 11$20,223 SGD
Retailer 7$20,437 SGD
Retailer 12$21,362 SGD
Retailer 3$22,806 SGD
Retailer 13$24,795 SGD
Retailer 8$30,380 SGD
Retailer 5$34,349 SGD
Taylor and Hart$39,266 SGD

40 data points across 14 retailers

14 retailers$9,858 SGD to $39,266 SGD

A
Cheapest Retailer
-
$9,858 SGD
$7,711 USD
A
Retailer 2
-
$10,538 SGD
$8,243 USD
View
A
Retailer 3
-
$12,803 SGD
$10,015 USD
View
Retailer 4
-
$13,283 SGD
$10,390 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$13,385 SGD
HK$81,800 HKD
View
A
Retailer 6
-
$14,716 SGD
£9,064 GBP
View
A
Retailer 7
-
$20,223 SGD
$15,819 USD
View
A
Retailer 8
-
$20,437 SGD
€15,225 EUR
View
B+
Retailer 9
-
$21,362 SGD
$16,710 USD
View
B+
Retailer 10
-
$22,806 SGD
£14,047 GBP
View
B+
Retailer 11
-
$24,795 SGD
ZAR 313,328 ZAR
View
B+
Retailer 12
-
$30,380 SGD
$23,764 USD
View
B
Retailer 13
-
$34,349 SGD
$26,869 USD
View
Most Expensive
B
Taylor and Hart
J1NOSVH · Oct 31
$39,266 SGD
$30,715 USD
View
13 more retailers have this diamond
Prices start from $9,858 SGDSave up to $29,409 SGD

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
$9,858 SGD