CaratHunter
Plans
Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG840629762

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629762

Diamond specifications and retailer prices

From $660 SGD
$516 USD
As of November 1, 2026
Save $3,727 SGD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,387 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.38ct lab-grown cushion diamond

This 1.38ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840629762 or 840629762. Listed at 14 retailers as of October 31, 2026, with prices from $660 to $4,387, a $3,727 spread on the same certified stone. Brilliant Earth lists it at $4,387. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629762
Dimensions8.02 × 5.51 × 3.86 mm
L/W Ratio1.46
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
8.02 mm5.51 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629762
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 70.1%

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: $4,387 SGD|Low: $660 SGD|High: $4,387 SGD|Avg: $1,733 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14$660 SGD
Retailer 2$726 SGD
Retailer 11$1,068 SGD
Retailer 5$1,108 SGD
Retailer 8$1,156 SGD
Retailer 10$1,175 SGD
Retailer 7$1,216 SGD
Retailer 13$1,326 SGD
Retailer 6$2,308 SGD
Retailer 4$2,446 SGD
Retailer 12$2,604 SGD
Retailer 9$2,615 SGD
Retailer 3$3,333 SGD
Brilliant Earth$4,387 SGD

8 data points across 14 retailers

14 retailers$660 SGD to $4,387 SGD

A
Cheapest Retailer
-
$660 SGD
$516 USD
Final sale: no returns
A
Retailer 2
-
$726 SGD
£447 GBP
View
A
Retailer 3
-
$1,068 SGD
$835 USD
View
A
Retailer 4
-
$1,108 SGD
$866 USD
View
A
Retailer 5
-
$1,156 SGD
£712 GBP
View
A
Retailer 6
-
$1,175 SGD
€875 EUR
View
A
Retailer 7
-
$1,216 SGD
ZAR 15,361 ZAR
View
A
Retailer 8
-
$1,326 SGD
$1,037 USD
View
B+
Retailer 9
-
$2,308 SGD
$1,805 USD
View
B+
Retailer 10
-
$2,446 SGD
View
B
Retailer 11
-
$2,604 SGD
£1,603 GBP
View
B
Retailer 12
-
$2,615 SGD
$2,045 USD
View
B
Retailer 13
-
$3,333 SGD
$2,606 USD
View
Most Expensive
B
Brilliant Earth
22310847A · Oct 31
$4,387 SGD
$3,430 USD
View
13 more retailers have this diamond
Prices start from $660 SGDSave up to $3,727 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
1.38ct Cushion
$660 SGD