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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2131949447

Certificate GIA 2131949447

Diamond specifications and retailer prices

From $1,363 NZD
HK$6,000 HKD
As of November 1, 2026
Save $3,121 NZD (70%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,484 NZD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2131949447. Listed at 16 retailers as of October 30, 2026, with prices from $1,363 to $4,484, a $3,121 spread on the same certified stone. NZ Jewellers lists it at $4,484. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2131949447
Dimensions6.00 × 5.97 × 3.67 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Crystal, Cloud, Knot
Top View
6.00 mm5.97 mm0.80 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2131949447
Side View
Table 58.0%Crown 34.5°Girdle: THN-SLIPavilion 41.2°Culet: NoneDepth 61.2%

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: $4,484 NZD|Low: $1,363 NZD|High: $4,484 NZD|Avg: $2,188 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 1, 2026
Retailer 5$1,363 NZD
Retailer 6$1,565 NZD
Retailer 15$1,696 NZD
Retailer 7$1,703 NZD
Retailer 11$1,838 NZD
Retailer 13$1,838 NZD
Retailer 12$1,909 NZD
Retailer 3$1,977 NZD
Retailer 4$2,076 NZD
Retailer 14$2,122 NZD
Retailer 10$2,145 NZD
Retailer 8$2,440 NZD
Retailer 2$2,569 NZD
Retailer 9$3,367 NZD
NZ Jewellers$4,484 NZD

31 data points across 15 retailers

16 retailers$1,363 NZD to $4,484 NZD

A
Cheapest Retailer
-
$1,363 NZD
HK$6,000 HKD
A
Retailer 2
-
$1,696 NZD
$956 USD
View
Final sale: no returns
A
Retailer 3
-
$1,703 NZD
$960 USD
View
B+
Retailer 4
-
$1,797 NZD
$1,013 USD
View
B+
Retailer 5
-
$1,838 NZD
$1,036 USD
View
B+
Retailer 6
-
$1,838 NZD
$1,036 USD
View
B+
Retailer 7
-
$1,901 NZD
SGD 1,448 SGD
View
B+
Retailer 8
-
$1,909 NZD
$1,076 USD
View
B+
Retailer 9
-
$1,977 NZD
$1,114 USD
View
B+
Retailer 10
-
$2,076 NZD
$1,170 USD
View
B+
Retailer 11
-
$2,122 NZD
$1,196 USD
View
B+
Retailer 12
-
$2,145 NZD
£952 GBP
View
B+
Retailer 13
-
$2,440 NZD
£1,083 GBP
View
B
Retailer 14
-
$2,569 NZD
€1,379 EUR
View
B
Retailer 15
-
$3,367 NZD
£1,494 GBP
View
Most Expensive
B
NZ Jewellers
b9a4b255-14d6-4493-9a5c-3ba71835016e · Oct 30
$4,484 NZD
$2,527 USD
View
15 more retailers have this diamond
Prices start from $1,363 NZDSave up to $3,121 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
$1,363 NZD