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Cushion|Lab Grown|IGI

1.13ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818667583

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818667583

Diamond specifications and retailer prices

From $528 SGD
$413 USD
As of October 31, 2026
Save $1,978 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,506 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.13ct lab-grown cushion diamond

This 1.13ct 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 LG818667583 or 818667583. Listed at 16 retailers as of October 30, 2026, with prices from $528 to $2,506, a $1,978 spread on the same certified stone. Brilliant Earth lists it at $2,506. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.13
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818667583
Dimensions7.73 × 5.16 × 3.44 mm
L/W Ratio1.50
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
7.73 mm5.16 mm1.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818667583
Side View
Table 65.0%Crown 35.8°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 66.7%

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 31
Current: $2,506 SGD|Low: $528 SGD|High: $3,263 SGD|Avg: $1,509 SGD|-22.5%
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
October 31, 2026
Retailer 9$528 SGD
Retailer 15$586 SGD
Retailer 12$604 SGD
Retailer 11$780 SGD
Retailer 2$925 SGD
Retailer 16$927 SGD
Retailer 5$935 SGD
Retailer 14$1,006 SGD
Retailer 10$1,057 SGD
Retailer 6$1,465 SGD
Retailer 4$1,932 SGD
Retailer 7$2,037 SGD
Retailer 8$2,097 SGD
Retailer 3$2,279 SGD
Retailer 13$2,299 SGD
Brilliant Earth$2,506 SGD

27 data points across 16 retailers

16 retailers$528 SGD to $2,506 SGD

A
Cheapest Retailer
-
$528 SGD
$413 USD
Final sale: no returns
A
Retailer 2
-
$586 SGD
$458 USD
View
A
Retailer 3
-
$604 SGD
£372 GBP
View
A
Retailer 4
-
$780 SGD
$610 USD
View
A
Retailer 5
-
$925 SGD
€689 EUR
View
A
Retailer 6
-
$927 SGD
$725 USD
View
A
Retailer 7
-
$935 SGD
$731 USD
View
A
Retailer 8
-
$1,006 SGD
ZAR 12,707 ZAR
View
A
Retailer 9
-
$1,057 SGD
£651 GBP
View
B+
Retailer 10
-
$1,465 SGD
$1,146 USD
View
B+
Retailer 11
-
$1,932 SGD
$1,511 USD
View
B+
Retailer 12
-
$2,037 SGD
View
Retailer 13
-
$2,097 SGD
$1,640 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
$2,279 SGD
£1,404 GBP
View
B
Retailer 15
-
$2,299 SGD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21418193A · Oct 30
$2,506 SGD
$1,960 USD
View
15 more retailers have this diamond
Prices start from $528 SGDSave up to $1,978 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
1.13ct Cushion
$528 SGD