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Cushion|Lab Grown|IGI

1.28ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825660202

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825660202

Diamond specifications and retailer prices

From $612 SGD
$479 USD
As of November 1, 2026
Save $2,533 SGD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,145 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.28ct lab-grown cushion diamond

This 1.28ct 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 LG825660202 or 825660202. Listed at 15 retailers as of October 31, 2026, with prices from $612 to $3,145, a $2,533 spread on the same certified stone. Brilliant Earth lists it at $3,145. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660202
Dimensions8.30 × 5.50 × 3.68 mm
L/W Ratio1.51
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
8.30 mm5.50 mm1.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660202
Side View
Table 61.0%Crown 30.9°Girdle: MED-THKPavilion 34.3°Culet: NoneDepth 66.9%

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: $3,145 SGD|Low: $612 SGD|High: $3,681 SGD|Avg: $1,768 SGD|-10.9%
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
Retailer 15
November 1, 2026
Retailer 15$612 SGD
Retailer 12$657 SGD
Retailer 10$844 SGD
Retailer 9$1,031 SGD
Retailer 3$1,039 SGD
Retailer 8$1,081 SGD
Retailer 11$1,129 SGD
Retailer 13$1,157 SGD
Retailer 4$1,584 SGD
Retailer 6$2,122 SGD
Retailer 14$2,156 SGD
Retailer 5$2,283 SGD
Retailer 2$2,413 SGD
Retailer 7$2,533 SGD
Brilliant Earth$3,145 SGD

37 data points across 15 retailers

15 retailers$612 SGD to $3,145 SGD

A
Cheapest Retailer
-
$612 SGD
$479 USD
Final sale: no returns
Retailer 2
-
$657 SGD
$514 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$844 SGD
$660 USD
View
A
Retailer 4
-
$1,031 SGD
€768 EUR
View
A
Retailer 5
-
$1,039 SGD
$813 USD
View
A
Retailer 6
-
$1,081 SGD
£666 GBP
View
A
Retailer 7
-
$1,129 SGD
ZAR 14,267 ZAR
View
A
Retailer 8
-
$1,157 SGD
$905 USD
View
B+
Retailer 9
-
$1,584 SGD
$1,239 USD
View
Retailer 10
-
$2,122 SGD
$1,660 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$2,156 SGD
$1,686 USD
View
B+
Retailer 12
-
$2,283 SGD
View
B+
Retailer 13
-
$2,413 SGD
£1,486 GBP
View
Retailer 14
-
$2,533 SGD
£1,560 GBP
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21434032A · Oct 31
$3,145 SGD
$2,460 USD
View
14 more retailers have this diamond
Prices start from $612 SGDSave up to $2,533 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
1.28ct Cushion
$612 SGD