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Round|Natural|GIA

0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566558250

Certificate GIA 2566558250

Diamond specifications and retailer prices

From $1,322 NZD
As of November 6, 2026
Save $4,279 NZD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,601 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566558250. Listed at 15 retailers as of November 5, 2026, with prices from $1,322 to $5,601, a $4,279 spread on the same certified stone. NZ Jewellers lists it at $5,601. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566558250
Dimensions5.94 × 5.95 × 3.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.94 mm5.95 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566558250
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 6
Current: $5,601 NZD|Low: $1,322 NZD|High: $5,601 NZD|Avg: $2,133 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 2$1,322 NZD
Retailer 4$1,338 NZD
Retailer 6$1,647 NZD
Retailer 12$1,681 NZD
Retailer 3$1,786 NZD
Retailer 7$1,788 NZD
Retailer 14$1,854 NZD
Retailer 13$2,060 NZD
Retailer 9$2,080 NZD
Retailer 11$2,130 NZD
Retailer 8$2,239 NZD
Retailer 10$2,325 NZD
Retailer 5$2,341 NZD
Retailer 15$3,270 NZD
NZ Jewellers$5,601 NZD

24 data points across 15 retailers

15 retailers$1,322 NZD to $5,601 NZD

A
Cheapest Retailer
-
$1,322 NZD
A
Retailer 2
-
$1,338 NZD
View
A
Retailer 3
-
$1,647 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,681 NZD
View
A
Retailer 5
-
$1,786 NZD
View
A
Retailer 6
-
$1,788 NZD
View
A
Retailer 7
-
$1,854 NZD
View
B+
Retailer 8
-
$2,060 NZD
View
B+
Retailer 9
-
$2,080 NZD
View
B+
Retailer 10
-
$2,130 NZD
View
B+
Retailer 11
-
$2,239 NZD
View
B+
Retailer 12
-
$2,325 NZD
View
B+
Retailer 13
-
$2,341 NZD
View
B
Retailer 14
-
$3,270 NZD
View
Most Expensive
C
NZ Jewellers
6130c10a-158c-4df9-a89a-b2ad09748024 · Nov 5
$5,601 NZD
$3,105 USD
View
14 more retailers have this diamond
Prices start from $1,322 NZDSave up to $4,279 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.

A
0.80ct Round
$1,322 NZD