Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 5553804788

Certificate GIA 5553804788

Diamond specifications and retailer prices

From $1,015 USD
As of October 30, 2026
Save $219 USD (18%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,234 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 5553804788. Listed at 8 retailers as of October 30, 2026, with prices from $1,015 to $1,234, a $219 spread on the same certified stone. GemTrove lists it at $1,234. 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
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: Oct 30
Current: $1,234 USD|Low: $896 USD|High: $1,250 USD|Avg: $1,135 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$1,015 USD
Retailer 6$1,076 USD
Retailer 7$1,078 USD
Retailer 2$1,095 USD
Retailer 3$1,150 USD
Retailer 8$1,150 USD
Retailer 4$1,190 USD
GemTrove$1,234 USD

34 data points across 8 retailers

8 retailers$1,015 USD to $1,234 USD

A
Cheapest Retailer
-
$1,015 USD
A
Retailer 2
-
$1,076 USD
View
A
Retailer 3
-
$1,078 USD
SGD 1,457 SGD
View
A
Retailer 4
-
$1,095 USD
£862 GBP
View
A
Retailer 5
-
$1,150 USD
View
A
Retailer 6
-
$1,150 USD
View
A
Retailer 7
-
$1,190 USD
View
Most Expensive
A
GemTrove
GT-N-00961886-98 · Oct 31
$1,234 USD
A$1,898 AUD
View
7 more retailers have this diamond
Prices start from $1,015 USDSave up to $219 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
$1,015 USD