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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846662376

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662376

Diamond specifications and retailer prices

From $987 SGD
£608 GBP
As of November 1, 2026
Save $4,970 SGD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,957 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 LG846662376 or 846662376. Listed at 10 retailers as of October 31, 2026, with prices from $987 to $5,957, a $4,970 spread on the same certified stone. Brilliant Earth lists it at $5,957. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662376
Dimensions8.93 × 6.27 × 4.06 mm
L/W Ratio1.42
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
8.93 mm6.27 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662376
Side View
Table 62.0%Crown 34.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 64.8%

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 1
Current: $5,957 SGD|Low: $987 SGD|High: $10,053 SGD|Avg: $3,754 SGD|-20.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4$987 SGD
Retailer 3$1,434 SGD
Retailer 10$1,560 SGD
Retailer 5$2,007 SGD
Retailer 7$2,609 SGD
Retailer 6$3,178 SGD
Retailer 8$3,496 SGD
Retailer 2$4,532 SGD
Retailer 9$4,729 SGD
Brilliant Earth$5,957 SGD

14 data points across 10 retailers

10 retailers$987 SGD to $5,957 SGD

A
Cheapest Retailer
-
$987 SGD
£608 GBP
A
Retailer 2
-
$1,434 SGD
$1,122 USD
View
A
Retailer 3
-
$1,560 SGD
$1,220 USD
View
A
Retailer 4
-
$2,007 SGD
$1,570 USD
View
B+
Retailer 5
-
$2,609 SGD
€1,944 EUR
View
B+
Retailer 6
-
$3,178 SGD
$2,486 USD
View
B+
Retailer 7
-
$3,496 SGD
$2,735 USD
View
Retailer 8
-
$4,532 SGD
$3,545 USD
View
B+
Retailer 9
-
$4,729 SGD
£2,913 GBP
View
Most Expensive
B
Brilliant Earth
22154883A · Oct 31
$5,957 SGD
$4,660 USD
View
9 more retailers have this diamond
Prices start from $987 SGDSave up to $4,970 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
$987 SGD