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Radiant|Natural|GIA

1.20ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 6565507610

Certificate GIA 6565507610

Diamond specifications and retailer prices

From $2,771 NZD
HK$12,200 HKD
As of November 1, 2026
Save $5,563 NZD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,334 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565507610. Listed at 16 retailers as of October 30, 2026, with prices from $2,771 to $8,334, a $5,563 spread on the same certified stone. NZ Jewellers lists it at $8,334. 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

1.20
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565507610
Dimensions6.90 × 5.30 × 3.70 mm
L/W Ratio1.30
Girdle conditionPolished
Top View
6.90 mm5.30 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565507610
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.8%

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: $8,334 NZD|Low: $2,771 NZD|High: $8,632 NZD|Avg: $4,547 NZD|-3.5%
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
November 2, 2026
Retailer 15$2,771 NZD
Retailer 4$3,105 NZD
Retailer 13$3,522 NZD
Retailer 11$3,701 NZD
Retailer 12$3,799 NZD
Retailer 8$3,892 NZD
Retailer 2$3,911 NZD
Retailer 6$3,939 NZD
Retailer 10$3,996 NZD
Retailer 7$4,001 NZD
Retailer 14$4,241 NZD
Retailer 16$4,900 NZD
Retailer 9$5,196 NZD
Retailer 5$5,807 NZD
Retailer 3$7,021 NZD
NZ Jewellers$8,334 NZD

18 data points across 16 retailers

16 retailers$2,771 NZD to $8,334 NZD

A
Cheapest Retailer
-
$2,771 NZD
HK$12,200 HKD
A
Retailer 2
-
$3,105 NZD
$1,750 USD
View
A
Retailer 3
-
$3,522 NZD
$1,985 USD
View
B+
Retailer 4
-
$3,701 NZD
$2,086 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,799 NZD
£1,686 GBP
View
B+
Retailer 6
-
$3,892 NZD
SGD 2,964 SGD
View
B+
Retailer 7
-
$3,911 NZD
£1,736 GBP
View
B+
Retailer 8
-
$3,939 NZD
$2,220 USD
View
B+
Retailer 9
-
$3,996 NZD
$2,252 USD
View
B+
Retailer 10
-
$4,001 NZD
$2,255 USD
View
B+
Retailer 11
-
$4,241 NZD
$2,390 USD
View
B+
Retailer 12
-
$4,900 NZD
ZAR 44,617 ZAR
View
B
Retailer 13
-
$5,196 NZD
€2,789 EUR
View
B
Retailer 14
-
$5,807 NZD
$3,273 USD
View
B
Retailer 15
-
$7,021 NZD
£3,116 GBP
View
Most Expensive
B
NZ Jewellers
af07e346-e64d-4d8c-b76f-538465fdd05d · Oct 30
$8,334 NZD
$4,697 USD
View
15 more retailers have this diamond
Prices start from $2,771 NZDSave up to $5,563 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
1.20ct Radiant
$2,771 NZD