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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 €859 EUR
$960 USD
As of November 1, 2026
Save €321 EUR (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,180 EUR 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 €859 to €1,180, a €321 spread on the same certified stone. GemTrove lists it at €1,180. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,180 EUR|Low: €859 EUR|High: €1,180 EUR|Avg: €986 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 3€859 EUR
Retailer 5€913 EUR
Retailer 2€921 EUR
Retailer 4€996 EUR
GemTrove€1,180 EUR

39 data points across 5 retailers

5 retailers€859 EUR to €1,180 EUR

A
Cheapest Retailer
-
€859 EUR
$960 USD
A
Retailer 2
-
€913 EUR
SGD 1,379 SGD
View
A
Retailer 3
-
€921 EUR
£811 GBP
View
A
Retailer 4
-
€996 EUR
$1,113 USD
View
Most Expensive
A
GemTrove
GT-N-00961881-98 · Oct 31
€1,180 EUR
A$2,028 AUD
View
4 more retailers have this diamond
Prices start from €859 EURSave up to €321 EUR

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
€859 EUR