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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG683520322

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG683520322

Diamond specifications and retailer prices

From $565 SGD
$442 USD
As of October 30, 2026
Save $4,242 SGD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,807 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520322 or 683520322. Listed at 21 retailers as of October 30, 2026, with prices from $565 to $4,807, a $4,242 spread on the same certified stone. Brilliant Earth lists it at $4,807. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520322
Dimensions8.77 × 6.41 × 4.28 mm
L/W Ratio1.37
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
8.77 mm6.41 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520322
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 66.8%

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: Oct 30
Current: $4,807 SGD|Low: $565 SGD|High: $6,763 SGD|Avg: $2,192 SGD|-28.9%
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
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 9$565 SGD
Retailer 3$736 SGD
Retailer 18$851 SGD
Retailer 12$896 SGD
Retailer 16$901 SGD
Retailer 4$955 SGD
Retailer 13$996 SGD
Retailer 2$1,135 SGD
Retailer 15$1,190 SGD
Retailer 20$1,461 SGD
Retailer 14$1,613 SGD
Retailer 8$2,026 SGD
Retailer 6$2,314 SGD
Retailer 7$2,348 SGD
Retailer 11$2,419 SGD
Retailer 10$2,461 SGD
Retailer 17$2,547 SGD
Retailer 19$4,174 SGD
Retailer 5$4,500 SGD
Brilliant Earth$4,807 SGD

43 data points across 20 retailers

21 retailers$565 SGD to $4,807 SGD

A
Cheapest Retailer
-
$565 SGD
$442 USD
Final sale: no returns
Retailer 2
-
$736 SGD
£454 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
$851 SGD
HK$5,200 HKD
View
Retailer 4
-
$896 SGD
$701 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$901 SGD
$705 USD
View
A
Retailer 6
-
$955 SGD
$747 USD
View
A
Retailer 7
-
$996 SGD
$779 USD
View
A
Retailer 8
-
$1,135 SGD
£699 GBP
View
A
Retailer 9
-
$1,190 SGD
ZAR 15,043 ZAR
View
A
Retailer 10
-
$1,461 SGD
$1,143 USD
View
A
Retailer 11
-
$1,613 SGD
A$1,941 AUD
View
A
Retailer 12
-
$2,026 SGD
£1,248 GBP
View
B+
Retailer 13
-
$2,314 SGD
$1,810 USD
View
B+
Retailer 14
-
$2,348 SGD
$1,837 USD
View
B+
Retailer 15
-
$2,419 SGD
$1,892 USD
View
B+
Retailer 16
-
$2,461 SGD
View
B+
Retailer 17
-
$2,547 SGD
£1,569 GBP
View
Retailer 18
-
$4,174 SGD
$3,265 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$4,319 SGD
£2,660 GBP
View
B
Retailer 20
-
$4,500 SGD
$3,520 USD
View
Most Expensive
B
Brilliant Earth
20467239Y · Oct 31
$4,807 SGD
$3,760 USD
View
20 more retailers have this diamond
Prices start from $565 SGDSave up to $4,242 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
$565 SGD