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Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 3555739511

Certificate GIA 3555739511

Diamond specifications and retailer prices

From $1,227 SGD
$960 USD
As of November 1, 2026
Save $458 SGD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,685 SGD at GemTrove · As of October 31, 2026
View at GemTrove

About this 0.81ct natural cushion diamond

This 0.81ct natural cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555739511. Listed at 5 retailers as of October 31, 2026, with prices from $1,227 to $1,685, a $458 spread on the same certified stone. GemTrove lists it at $1,685. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555739511
Dimensions5.26 × 5.14 × 3.46 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
5.26 mm5.14 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555739511
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.4%

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 1
Current: $1,685 SGD|Low: $1,227 SGD|High: $1,685 SGD|Avg: $1,408 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$1,227 SGD
Retailer 5$1,305 SGD
Retailer 2$1,316 SGD
Retailer 4$1,423 SGD
GemTrove$1,685 SGD

39 data points across 5 retailers

5 retailers$1,227 SGD to $1,685 SGD

A
Cheapest Retailer
-
$1,227 SGD
$960 USD
A
Retailer 2
-
$1,305 SGD
View
A
Retailer 3
-
$1,316 SGD
£811 GBP
View
A
Retailer 4
-
$1,423 SGD
$1,113 USD
View
Most Expensive
A
GemTrove
GT-N-00961881-98 · Oct 31
$1,685 SGD
A$2,028 AUD
View
4 more retailers have this diamond
Prices start from $1,227 SGDSave up to $458 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
$1,227 SGD