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Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5553804788

Certificate GIA 5553804788

Diamond specifications and retailer prices

From $1,445 AUD
$1,015 USD
As of November 1, 2026
Save $311 AUD (18%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,756 AUD at GemTrove · As of November 1, 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 5553804788. Listed at 8 retailers as of November 1, 2026, with prices from $1,445 to $1,756, a $311 spread on the same certified stone. GemTrove lists it at $1,756. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553804788
Dimensions5.28 × 5.19 × 3.49 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.28 mm5.19 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553804788
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,756 AUD|Low: $1,275 AUD|High: $1,780 AUD|Avg: $1,614 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5$1,445 AUD
Retailer 6$1,532 AUD
Retailer 7$1,535 AUD
Retailer 2$1,559 AUD
Retailer 3$1,637 AUD
Retailer 8$1,637 AUD
Retailer 4$1,694 AUD
GemTrove$1,756 AUD

36 data points across 8 retailers

8 retailers$1,445 AUD to $1,756 AUD

A
Cheapest Retailer
-
$1,445 AUD
$1,015 USD
A
Retailer 2
-
$1,532 AUD
$1,076 USD
View
A
Retailer 3
-
$1,535 AUD
SGD 1,457 SGD
View
A
Retailer 4
-
$1,559 AUD
£862 GBP
View
A
Retailer 5
-
$1,637 AUD
$1,150 USD
View
A
Retailer 6
-
$1,637 AUD
$1,150 USD
View
A
Retailer 7
-
$1,694 AUD
$1,190 USD
View
Most Expensive
A
GemTrove
GT-N-00961886-98 · Nov 1
$1,756 AUD
View
7 more retailers have this diamond
Prices start from $1,445 AUDSave up to $311 AUD

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
$1,445 AUD