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Round|Natural|GIA

0.80ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6421965411

Certificate GIA 6421965411

Diamond specifications and retailer prices

From $1,158 NZD
HK$5,100 HKD
As of October 30, 2026
Save $3,751 NZD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,909 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 very-good cut grade and certified by GIA 6421965411. Listed at 16 retailers as of October 30, 2026, with prices from $1,158 to $4,909, a $3,751 spread on the same certified stone. NZ Jewellers lists it at $4,909. 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

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421965411
Dimensions5.95 × 5.94 × 3.59 mm
L/W Ratio1.00
Top View
5.95 mm5.94 mm0.80 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421965411
Side View
Table 59.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 60.4%

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: $4,909 NZD|Low: $1,158 NZD|High: $4,909 NZD|Avg: $1,905 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
Retailer 16
October 31, 2026
Retailer 6$1,158 NZD
Retailer 16$1,262 NZD
Retailer 7$1,432 NZD
Retailer 8$1,437 NZD
Retailer 12$1,565 NZD
Retailer 14$1,565 NZD
Retailer 3$1,583 NZD
Retailer 13$1,625 NZD
Retailer 4$1,744 NZD
Retailer 5$1,801 NZD
Retailer 15$1,806 NZD
Retailer 2$1,820 NZD
Retailer 10$2,084 NZD
Retailer 9$2,208 NZD
Retailer 11$2,871 NZD
NZ Jewellers$4,909 NZD

28 data points across 16 retailers

16 retailers$1,158 NZD to $4,909 NZD

A
Cheapest Retailer
-
$1,158 NZD
HK$5,100 HKD
B+
Retailer 2
-
$1,262 NZD
₹67,738 INR
View
B+
Retailer 3
-
$1,437 NZD
$810 USD
View
B+
Retailer 4
-
$1,565 NZD
$882 USD
View
B+
Retailer 5
-
$1,565 NZD
$882 USD
View
B+
Retailer 6
-
$1,583 NZD
$892 USD
View
B+
Retailer 7
-
$1,622 NZD
SGD 1,235 SGD
View
B+
Retailer 8
-
$1,625 NZD
$916 USD
View
B+
Retailer 9
-
$1,744 NZD
$983 USD
View
B+
Retailer 10
-
$1,801 NZD
$1,015 USD
View
B+
Retailer 11
-
$1,806 NZD
$1,018 USD
View
B+
Retailer 12
-
$1,820 NZD
£807 GBP
View
B+
Retailer 13
-
$2,084 NZD
£925 GBP
View
B+
Retailer 14
-
$2,208 NZD
€1,185 EUR
View
B
Retailer 15
-
$2,871 NZD
£1,274 GBP
View
Most Expensive
C
NZ Jewellers
59605a1a-8ec6-4eac-a1b0-3ae195eee41b · Oct 30
$4,909 NZD
$2,767 USD
View
15 more retailers have this diamond
Prices start from $1,158 NZDSave up to $3,751 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
$1,158 NZD