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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816616093

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

Certificate IGI LG816616093

Diamond specifications and retailer prices

From $935 SGD
$731 USD
As of November 1, 2026
Save $4,307 SGD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,241 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 LG816616093 or 816616093. Listed at 17 retailers as of October 31, 2026, with prices from $935 to $5,241, a $4,307 spread on the same certified stone. Brilliant Earth lists it at $5,241. 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 angle35.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616093
Dimensions6.95 × 6.88 × 4.56 mm
L/W Ratio1.01
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
6.95 mm6.88 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616093
Side View
Table 62.0%Crown 35.7°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 66.3%

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: $5,241 SGD|Low: $859 SGD|High: $7,491 SGD|Avg: $2,717 SGD|-30.0%
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 2$935 SGD
Retailer 9$938 SGD
Retailer 15$1,099 SGD
Retailer 5$1,460 SGD
Retailer 11$1,477 SGD
Retailer 12$1,628 SGD
Retailer 14$1,636 SGD
Retailer 16$1,956 SGD
Retailer 6$2,058 SGD
Retailer 4$2,767 SGD
Retailer 17$3,079 SGD
Retailer 13$3,247 SGD
Retailer 7$3,383 SGD
Retailer 3$3,572 SGD
Retailer 10$4,134 SGD
Retailer 8$4,538 SGD
Brilliant Earth$5,241 SGD

29 data points across 17 retailers

17 retailers$935 SGD to $5,241 SGD

A
Cheapest Retailer
-
$935 SGD
$731 USD
Final sale: no returns
Retailer 2
-
$938 SGD
$734 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,099 SGD
$860 USD
View
A
Retailer 4
-
$1,460 SGD
$1,142 USD
View
A
Retailer 5
-
$1,477 SGD
£910 GBP
View
A
Retailer 6
-
$1,628 SGD
€1,213 EUR
View
A
Retailer 7
-
$1,636 SGD
ZAR 20,676 ZAR
View
A
Retailer 8
-
$1,956 SGD
$1,530 USD
View
A
Retailer 9
-
$2,058 SGD
$1,610 USD
View
B+
Retailer 10
-
$2,767 SGD
£1,704 GBP
View
B+
Retailer 11
-
$3,079 SGD
$2,408 USD
View
B+
Retailer 12
-
$3,247 SGD
$2,540 USD
View
B+
Retailer 13
-
$3,383 SGD
View
B+
Retailer 14
-
$3,572 SGD
$2,794 USD
View
B
Retailer 15
-
$4,134 SGD
£2,546 GBP
View
B+
Retailer 16
-
$4,538 SGD
$3,550 USD
View
Most Expensive
B
Brilliant Earth
21421165A · Oct 31
$5,241 SGD
$4,100 USD
View
16 more retailers have this diamond
Prices start from $935 SGDSave up to $4,307 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
$935 SGD