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Cushion|Lab Grown|IGI

3.53ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG660451469

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG660451469

Diamond specifications and retailer prices

From $989 SGD
$774 USD
As of October 31, 2026
Save $6,860 SGD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,849 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660451469 or 660451469. Listed at 11 retailers as of October 31, 2026, with prices from $989 to $7,849, a $6,860 spread on the same certified stone. Do Amore Diamonds lists it at $7,849. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660451469
Dimensions10.99 × 7.81 × 5.35 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.99 mm7.81 mm3.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660451469
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.5%

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: $7,849 SGD|Low: $989 SGD|High: $9,000 SGD|Avg: $2,742 SGD|-12.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$989 SGD
Retailer 5$1,253 SGD
Retailer 10$1,447 SGD
Retailer 8$1,533 SGD
Retailer 6$1,658 SGD
Retailer 2$1,734 SGD
Retailer 11$1,808 SGD
Retailer 7$3,502 SGD
Retailer 3$4,047 SGD
Retailer 4$4,265 SGD
Do Amore Diamonds$7,849 SGD

23 data points across 11 retailers

11 retailers$989 SGD to $7,849 SGD

A
Cheapest Retailer
-
$989 SGD
$774 USD
Final sale: no returns
A
Retailer 2
-
$1,253 SGD
$980 USD
View
A
Retailer 3
-
$1,447 SGD
$1,132 USD
View
A
Retailer 4
-
$1,533 SGD
$1,199 USD
View
Retailer 5
-
$1,658 SGD
£1,021 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,734 SGD
£1,068 GBP
View
B+
Retailer 7
-
$1,808 SGD
$1,414 USD
View
B
Retailer 8
-
$3,502 SGD
$2,740 USD
View
B
Retailer 9
-
$4,047 SGD
$3,166 USD
View
B
Retailer 10
-
$4,265 SGD
£2,627 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E2DE8C48D · Oct 31
$7,849 SGD
$6,140 USD
View
10 more retailers have this diamond
Prices start from $989 SGDSave up to $6,860 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
3.53ct Cushion
$989 SGD