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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG818663200

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

Certificate IGI LG818663200

Diamond specifications and retailer prices

From $528 SGD
$413 USD
As of October 30, 2026
Save $2,540 SGD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,068 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818663200 or 818663200. Listed at 14 retailers as of October 30, 2026, with prices from $528 to $3,068, a $2,540 spread on the same certified stone. Brilliant Earth lists it at $3,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663200
Dimensions5.98 × 5.93 × 3.83 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
5.98 mm5.93 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663200
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 64.6%

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: $3,068 SGD|Low: $380 SGD|High: $3,426 SGD|Avg: $1,326 SGD|-10.4%
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
October 30, 2026
Retailer 12$528 SGD
Retailer 6$589 SGD
Retailer 11$800 SGD
Retailer 4$805 SGD
Retailer 13$935 SGD
Retailer 7$945 SGD
Retailer 3$981 SGD
Retailer 9$1,006 SGD
Retailer 2$1,057 SGD
Retailer 5$1,751 SGD
Retailer 14$1,932 SGD
Retailer 10$2,216 SGD
Retailer 8$2,299 SGD
Brilliant Earth$3,068 SGD

35 data points across 14 retailers

14 retailers$528 SGD to $3,068 SGD

A
Cheapest Retailer
-
$528 SGD
$413 USD
Final sale: no returns
Retailer 2
-
$589 SGD
$461 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$800 SGD
$626 USD
View
A
Retailer 4
-
$805 SGD
$630 USD
View
A
Retailer 5
-
$935 SGD
$731 USD
View
A
Retailer 6
-
$945 SGD
€704 EUR
View
A
Retailer 7
-
$981 SGD
$767 USD
View
A
Retailer 8
-
$1,006 SGD
ZAR 12,711 ZAR
View
A
Retailer 9
-
$1,057 SGD
£651 GBP
View
Retailer 10
-
$1,751 SGD
$1,370 USD
View
Price last confirmed 11 days ago
B
Retailer 11
-
$1,932 SGD
$1,511 USD
View
B
Retailer 12
-
$2,216 SGD
$1,734 USD
View
B+
Retailer 13
-
$2,299 SGD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21242362A · Oct 30
$3,068 SGD
$2,400 USD
View
13 more retailers have this diamond
Prices start from $528 SGDSave up to $2,540 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
1.03ct Cushion
$528 SGD