CaratHunter
Plans
Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2136011783

Certificate GIA 2136011783

Diamond specifications and retailer prices

From $4,610 NZD
$2,598 USD
As of November 2, 2026
Save $2,235 NZD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,844 NZD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 2136011783. Listed at 7 retailers as of November 2, 2026, with prices from $4,610 to $6,844, a $2,235 spread on the same certified stone. 77 Diamonds lists it at $6,844. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2136011783
Dimensions5.45 × 5.14 × 3.29 mm
L/W Ratio1.06
Culet sizeNone
Top View
5.45 mm5.14 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2136011783
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,844 NZD|Low: $4,191 NZD|High: $6,870 NZD|Avg: $5,792 NZD|+2.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2$4,610 NZD
Retailer 3$5,678 NZD
Retailer 4$5,979 NZD
Retailer 5$5,979 NZD
77 Diamonds$6,844 NZD

36 data points across 5 retailers

7 retailers$4,610 NZD to $6,844 NZD

B+
Cheapest Retailer
-
$4,610 NZD
$2,598 USD
Final sale: no returns
B
Retailer 2
-
$4,652 NZD
$2,622 USD
View
B
Retailer 3
-
$5,678 NZD
$3,200 USD
View
B
Retailer 4
-
$5,979 NZD
$3,370 USD
View
B
Retailer 5
-
$5,979 NZD
$3,370 USD
View
B
Retailer 6
-
$6,192 NZD
$3,490 USD
View
Most Expensive
B
77 Diamonds
CUSMBYMSYME5M · Nov 2
$6,844 NZD
£3,037 GBP
View
6 more retailers have this diamond
Prices start from $4,610 NZDSave up to $2,235 NZD

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.

B+
0.81ct Cushion
$4,610 NZD