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Cushion|Natural|IGI

0.81ct F SI2 Cushion Natural Diamond

EX • F/SI2 • IGI 229603686

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI 229603686

Diamond specifications and retailer prices

From $911 SGD
$712 USD
As of November 2, 2026
Save $241 SGD (21%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,152 SGD at Diamond Heaven · As of November 2, 2026
View at Diamond Heaven

About this 0.81ct natural cushion diamond

This 0.81ct natural cushion sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 229603686. Listed at 4 retailers as of November 2, 2026, with prices from $911 to $1,152, a $241 spread on the same certified stone. Diamond Heaven lists it at $1,152. 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

0.81
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle37.4°
OriginNatural
Grading LabIGI
CertificateIGI 229603686
Dimensions5.10 × 4.98 × 3.66 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
5.10 mm4.98 mm0.81 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 229603686
Side View
Table 65.0%Crown 37.7°Girdle: THK-ETKPavilion 37.4°Culet: NoneDepth 73.5%

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 2
Current: $1,152 SGD|Low: $826 SGD|High: $1,323 SGD|Avg: $1,030 SGD|-2.2%
Diamond Heaven
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$911 SGD
Retailer 2$985 SGD
Retailer 3$1,001 SGD
Diamond Heaven$1,152 SGD

15 data points across 4 retailers

4 retailers$911 SGD to $1,152 SGD

B+
Cheapest Retailer
-
$911 SGD
$712 USD
Final sale: no returns
A
Retailer 2
-
$985 SGD
$770 USD
View
A
Retailer 3
-
$1,001 SGD
$783 USD
View
Most Expensive
B+
Diamond Heaven
0.81SI2F22864C35N · Nov 2
$1,152 SGD
£709 GBP
View
3 more retailers have this diamond
Prices start from $911 SGDSave up to $241 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
0.81ct Cushion
$911 SGD