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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 $2,223 AUD
HK$12,200 HKD
As of November 1, 2026
Save $4,464 AUD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,687 AUD 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 $2,223 to $6,687, a $4,464 spread on the same certified stone. NZ Jewellers lists it at $6,687. 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: $6,687 AUD|Low: $2,223 AUD|High: $6,926 AUD|Avg: $3,650 AUD|-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 1, 2026
Retailer 10$2,223 AUD
Retailer 4$2,491 AUD
Retailer 2$2,826 AUD
Retailer 14$2,935 AUD
Retailer 13$2,986 AUD
Retailer 12$3,102 AUD
Retailer 8$3,122 AUD
Retailer 6$3,160 AUD
Retailer 11$3,172 AUD
Retailer 7$3,210 AUD
Retailer 9$3,402 AUD
Retailer 15$3,932 AUD
Retailer 16$4,132 AUD
Retailer 5$4,659 AUD
Retailer 3$5,634 AUD
NZ Jewellers$6,687 AUD

17 data points across 16 retailers

16 retailers$2,223 AUD to $6,687 AUD

A
Cheapest Retailer
-
$2,223 AUD
HK$12,200 HKD
A
Retailer 2
-
$2,491 AUD
$1,750 USD
View
A
Retailer 3
-
$2,826 AUD
$1,985 USD
View
B+
Retailer 4
-
$2,935 AUD
$2,062 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,986 AUD
£1,651 GBP
View
B+
Retailer 6
-
$3,102 AUD
£1,716 GBP
View
B+
Retailer 7
-
$3,122 AUD
SGD 2,964 SGD
View
B+
Retailer 8
-
$3,160 AUD
$2,220 USD
View
B+
Retailer 9
-
$3,172 AUD
$2,228 USD
View
B+
Retailer 10
-
$3,210 AUD
$2,255 USD
View
B+
Retailer 11
-
$3,402 AUD
$2,390 USD
View
B+
Retailer 12
-
$3,932 AUD
ZAR 44,617 ZAR
View
B
Retailer 13
-
$4,132 AUD
€2,764 EUR
View
B
Retailer 14
-
$4,659 AUD
$3,273 USD
View
B
Retailer 15
-
$5,634 AUD
£3,116 GBP
View
Most Expensive
B
NZ Jewellers
af07e346-e64d-4d8c-b76f-538465fdd05d · Oct 30
$6,687 AUD
$4,697 USD
View
15 more retailers have this diamond
Prices start from $2,223 AUDSave up to $4,464 AUD

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
$2,223 AUD