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Cushion|Lab Grown|IGI

1.38ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800676790

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG800676790

Diamond specifications and retailer prices

From $797 SGD
$623 USD
As of November 2, 2026
Save $3,539 SGD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,335 SGD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

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 LG800676790 or 800676790. Listed at 9 retailers as of November 1, 2026, with prices from $797 to $4,335, a $3,539 spread on the same certified stone. Do Amore Diamonds lists it at $4,335. 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 angle35.2°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676790
Dimensions6.64 × 6.45 × 4.19 mm
L/W Ratio1.03
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
6.64 mm6.45 mm1.38 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676790
Side View
Table 63.0%Crown 35.2°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 65.0%

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: Nov 2
Current: $4,335 SGD|Low: $601 SGD|High: $4,655 SGD|Avg: $1,854 SGD|-6.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10$601 SGD
Retailer 6$797 SGD
Retailer 4$895 SGD
Retailer 7$966 SGD
Retailer 9$1,035 SGD
Retailer 3$1,120 SGD
Retailer 2$2,457 SGD
Retailer 8$2,590 SGD
Retailer 5$3,018 SGD
Do Amore Diamonds$4,335 SGD

24 data points across 10 retailers

9 retailers$797 SGD to $4,335 SGD

A
Cheapest Retailer
-
$797 SGD
$623 USD
A
Retailer 2
-
$895 SGD
$700 USD
View
A
Retailer 3
-
$966 SGD
$755 USD
View
A
Retailer 4
-
$1,035 SGD
$809 USD
View
A
Retailer 5
-
$1,120 SGD
€834 EUR
View
B+
Retailer 6
-
$2,457 SGD
£1,513 GBP
View
B+
Retailer 7
-
$2,590 SGD
$2,025 USD
View
B+
Retailer 8
-
$3,018 SGD
$2,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-0D18732B5 · Nov 1
$4,335 SGD
$3,390 USD
View
8 more retailers have this diamond
Prices start from $797 SGDSave up to $3,539 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
$797 SGD