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Cushion|Lab Grown|IGI

2.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830628589

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830628589

Diamond specifications and retailer prices

From $1,983 SGD
$1,551 USD
As of October 30, 2026
Save $7,465 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,447 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.8ct lab-grown cushion diamond

This 2.8ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830628589 or 830628589. Listed at 10 retailers as of October 30, 2026, with prices from $1,983 to $9,447, a $7,465 spread on the same certified stone. Brilliant Earth lists it at $9,447. 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

2.80
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830628589
Dimensions9.62 × 7.60 × 4.95 mm
L/W Ratio1.27
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
9.62 mm7.60 mm2.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830628589
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 35.2°Culet: NoneDepth 65.1%

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: Oct 30
Current: $9,447 SGD|Low: $1,983 SGD|High: $14,817 SGD|Avg: $6,629 SGD|-35.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$1,983 SGD
Retailer 7$2,052 SGD
Retailer 8$3,280 SGD
Retailer 6$3,824 SGD
Retailer 2$4,101 SGD
Retailer 9$5,942 SGD
Retailer 4$6,084 SGD
Retailer 10$7,722 SGD
Retailer 5$8,629 SGD
Brilliant Earth$9,447 SGD

34 data points across 10 retailers

10 retailers$1,983 SGD to $9,447 SGD

A
Cheapest Retailer
-
$1,983 SGD
$1,551 USD
A
Retailer 2
-
$2,052 SGD
$1,605 USD
View
A
Retailer 3
-
$3,280 SGD
$2,566 USD
View
A
Retailer 4
-
$3,824 SGD
€2,849 EUR
View
A
Retailer 5
-
$4,101 SGD
$3,208 USD
View
B+
Retailer 6
-
$5,942 SGD
£3,660 GBP
View
B+
Retailer 7
-
$6,084 SGD
$4,759 USD
View
Retailer 8
-
$7,722 SGD
$6,040 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$8,629 SGD
$6,750 USD
View
Most Expensive
B
Brilliant Earth
21286275A · Oct 30
$9,447 SGD
$7,390 USD
View
9 more retailers have this diamond
Prices start from $1,983 SGDSave up to $7,465 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
2.80ct Cushion
$1,983 SGD