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Cushion|Natural|GIA

0.80ct J SI2 Cushion Natural Diamond

VG • J/SI2 • GIA 1225829500

Certificate GIA 1225829500

Diamond specifications and retailer prices

From $1,836 NZD
$1,033 USD
As of November 1, 2026
Save $1,327 NZD (42%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,163 NZD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1225829500. Listed at 10 retailers as of October 31, 2026, with prices from $1,836 to $3,163, a $1,327 spread on the same certified stone. 77 Diamonds lists it at $3,163. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
J
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1225829500
Dimensions5.30 × 5.27 × 3.63 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.30 mm5.27 mm0.80 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1225829500
Side View
Table 65.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.8%

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 1
Current: $3,163 NZD|Low: $1,836 NZD|High: $3,447 NZD|Avg: $2,521 NZD|+2.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7$1,836 NZD
Retailer 6$2,108 NZD
Retailer 3$2,129 NZD
Retailer 5$2,131 NZD
Retailer 2$2,460 NZD
Retailer 4$2,909 NZD
77 Diamonds$3,163 NZD
Retailer 8$3,447 NZD

28 data points across 8 retailers

10 retailers$1,836 NZD to $3,163 NZD

B+
Cheapest Retailer
-
$1,836 NZD
$1,033 USD
B+
Retailer 2
-
$2,108 NZD
$1,186 USD
View
B+
Retailer 3
-
$2,129 NZD
$1,198 USD
View
B+
Retailer 4
-
$2,131 NZD
$1,199 USD
View
B
Retailer 5
-
$2,460 NZD
$1,384 USD
View
B
Retailer 6
-
$2,630 NZD
$1,480 USD
View
B
Retailer 7
-
$2,630 NZD
$1,480 USD
View
B
Retailer 8
-
$2,719 NZD
$1,530 USD
View
B
Retailer 9
-
$2,909 NZD
A$2,518 AUD
View
Most Expensive
B
77 Diamonds
CUSZFJJF3FUB · Oct 31
$3,163 NZD
£1,401 GBP
View
9 more retailers have this diamond
Prices start from $1,836 NZDSave up to $1,327 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+
0.80ct Cushion
$1,836 NZD