Radiant|Natural|GIA

1.20ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 6565507610

Certificate GIA 6565507610

Diamond specifications and retailer prices

From $1,996 SGD
HK$12,200 HKD
As of November 1, 2026
Save $4,008 SGD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,005 SGD 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 $1,996 to $6,005, a $4,008 spread on the same certified stone. NZ Jewellers lists it at $6,005. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,005 SGD|Low: $1,996 SGD|High: $6,219 SGD|Avg: $3,278 SGD|-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 2$1,996 SGD
Retailer 3$2,237 SGD
Retailer 4$2,552 SGD
Retailer 13$2,636 SGD
Retailer 11$2,681 SGD
Retailer 10$2,786 SGD
Retailer 8$2,804 SGD
Retailer 6$2,838 SGD
Retailer 9$2,848 SGD
Retailer 7$2,883 SGD
Retailer 12$3,030 SGD
Retailer 14$3,531 SGD
Retailer 15$3,710 SGD
Retailer 5$4,184 SGD
Retailer 16$5,059 SGD
NZ Jewellers$6,005 SGD

17 data points across 16 retailers

16 retailers$1,996 SGD to $6,005 SGD

A
Cheapest Retailer
-
$1,996 SGD
HK$12,200 HKD
A
Retailer 2
-
$2,237 SGD
$1,750 USD
View
B+
Retailer 3
-
$2,552 SGD
$1,996 USD
View
B+
Retailer 4
-
$2,636 SGD
$2,062 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,681 SGD
£1,651 GBP
View
B+
Retailer 6
-
$2,786 SGD
£1,716 GBP
View
B+
Retailer 7
-
$2,804 SGD
View
B+
Retailer 8
-
$2,838 SGD
$2,220 USD
View
B+
Retailer 9
-
$2,848 SGD
$2,228 USD
View
B+
Retailer 10
-
$2,883 SGD
$2,255 USD
View
B+
Retailer 11
-
$3,030 SGD
$2,370 USD
View
B+
Retailer 12
-
$3,531 SGD
ZAR 44,617 ZAR
View
B
Retailer 13
-
$3,710 SGD
€2,764 EUR
View
B
Retailer 14
-
$4,184 SGD
$3,273 USD
View
B
Retailer 15
-
$5,059 SGD
£3,116 GBP
View
Most Expensive
B
NZ Jewellers
af07e346-e64d-4d8c-b76f-538465fdd05d · Oct 30
$6,005 SGD
$4,697 USD
View
15 more retailers have this diamond
Prices start from $1,996 SGDSave up to $4,008 SGD

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
$1,996 SGD