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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG775615048

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG775615048

Diamond specifications and retailer prices

From $981 SGD
$767 USD
As of November 1, 2026
Save $5,590 SGD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,571 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG775615048 or 775615048. Listed at 18 retailers as of October 31, 2026, with prices from $981 to $6,571, a $5,590 spread on the same certified stone. Brilliant Earth lists it at $6,571. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775615048
Dimensions8.31 × 6.55 × 4.42 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
8.31 mm6.55 mm1.83 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775615048
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 67.5%

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: $6,571 SGD|Low: $981 SGD|High: $7,747 SGD|Avg: $2,866 SGD|-12.6%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 4$981 SGD
Retailer 14$1,178 SGD
Retailer 12$1,246 SGD
Retailer 16$1,342 SGD
Retailer 9$1,364 SGD
Retailer 10$1,616 SGD
Retailer 11$1,650 SGD
Retailer 5$1,656 SGD
Retailer 13$1,870 SGD
Retailer 17$1,993 SGD
Retailer 15$3,156 SGD
Retailer 7$3,427 SGD
Retailer 8$3,471 SGD
Retailer 3$3,509 SGD
Retailer 6$3,509 SGD
Retailer 2$4,286 SGD
Brilliant Earth$6,571 SGD

43 data points across 17 retailers

18 retailers$981 SGD to $6,571 SGD

A
Cheapest Retailer
-
$981 SGD
$767 USD
Final sale: no returns
A
Retailer 2
-
$1,178 SGD
HK$7,200 HKD
View
A
Retailer 3
-
$1,246 SGD
$975 USD
View
A
Retailer 4
-
$1,342 SGD
$1,050 USD
View
Retailer 5
-
$1,364 SGD
$1,067 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,616 SGD
£995 GBP
View
A
Retailer 7
-
$1,650 SGD
€1,229 EUR
View
A
Retailer 8
-
$1,656 SGD
$1,295 USD
View
A
Retailer 9
-
$1,870 SGD
ZAR 23,637 ZAR
View
A
Retailer 10
-
$1,993 SGD
$1,559 USD
View
B+
Retailer 11
-
$3,156 SGD
£1,944 GBP
View
B+
Retailer 12
-
$3,293 SGD
$2,576 USD
View
B+
Retailer 13
-
$3,427 SGD
View
B+
Retailer 14
-
$3,471 SGD
$2,715 USD
View
B+
Retailer 15
-
$3,509 SGD
$2,745 USD
View
B+
Retailer 16
-
$3,509 SGD
$2,745 USD
View
B+
Retailer 17
-
$4,286 SGD
£2,640 GBP
View
Most Expensive
B
Brilliant Earth
19073865A · Oct 31
$6,571 SGD
$5,140 USD
View
17 more retailers have this diamond
Prices start from $981 SGDSave up to $5,590 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
1.83ct Cushion
$981 SGD