Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 3555739511

Certificate GIA 3555739511

Diamond specifications and retailer prices

From $960 USD
As of November 1, 2026
Save $358 USD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,318 USD 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 $960 to $1,318, a $358 spread on the same certified stone. GemTrove lists it at $1,318. 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
Color
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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Price History

Last verified: Nov 1
Current: $1,318 USD|Low: $960 USD|High: $1,318 USD|Avg: $1,101 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3$960 USD
Retailer 5$1,020 USD
Retailer 2$1,030 USD
Retailer 4$1,113 USD
GemTrove$1,318 USD

39 data points across 5 retailers

5 retailers$960 USD to $1,318 USD

A
Cheapest Retailer
-
$960 USD
A
Retailer 2
-
$1,020 USD
SGD 1,379 SGD
View
A
Retailer 3
-
$1,030 USD
£811 GBP
View
A
Retailer 4
-
$1,113 USD
View
Most Expensive
A
GemTrove
GT-N-00961881-98 · Oct 31
$1,318 USD
A$2,028 AUD
View
4 more retailers have this diamond
Prices start from $960 USDSave up to $358 USD

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
$960 USD