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Round|Natural|GIA

1.20ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1568201582

Certificate GIA 1568201582

Diamond specifications and retailer prices

From $2,291 SGD
HK$14,000 HKD
As of October 27, 2026
Save $4,118 SGD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,409 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1568201582. Listed at 22 retailers as of October 27, 2026, with prices from $2,291 to $6,409, a $4,118 spread on the same certified stone. NZ Jewellers lists it at $6,409. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1568201582
Dimensions6.84 × 6.78 × 4.19 mm
L/W Ratio1.01
Top View
6.84 mm6.78 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568201582
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.5%

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: Oct 27
Current: $6,409 SGD|Low: $2,291 SGD|High: $6,640 SGD|Avg: $3,390 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 28, 2026
Retailer 3$2,291 SGD
Retailer 17$2,346 SGD
Retailer 12$2,502 SGD
Retailer 20$2,704 SGD
Retailer 6$2,769 SGD
Retailer 13$2,918 SGD
Retailer 7$2,975 SGD
Retailer 2$3,055 SGD
Retailer 10$3,066 SGD
Retailer 21$3,066 SGD
Retailer 14$3,206 SGD
Retailer 9$3,218 SGD
Retailer 15$3,236 SGD
Retailer 8$3,244 SGD
Retailer 4$3,343 SGD
Retailer 11$3,537 SGD
Retailer 18$3,630 SGD
Retailer 16$3,732 SGD
Retailer 5$4,475 SGD
Retailer 19$5,377 SGD
NZ Jewellers$6,409 SGD

24 data points across 21 retailers

22 retailers$2,291 SGD to $6,409 SGD

A
Cheapest Retailer
-
$2,291 SGD
HK$14,000 HKD
A
Retailer 2
-
$2,346 SGD
₹174,768 INR
View
A
Retailer 3
-
$2,502 SGD
₹186,361 INR
View
Retailer 4
-
$2,704 SGD
$2,115 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$2,769 SGD
$2,166 USD
View
B+
Retailer 6
-
$2,918 SGD
£1,797 GBP
View
B+
Retailer 7
-
$2,975 SGD
$2,327 USD
View
B+
Retailer 8
-
$3,055 SGD
$2,390 USD
View
Retailer 9
-
$3,066 SGD
$2,398 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,066 SGD
$2,398 USD
View
Retailer 11
-
$3,206 SGD
$2,508 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$3,218 SGD
View
B+
Retailer 13
-
$3,236 SGD
£1,993 GBP
View
Retailer 14
-
$3,244 SGD
$2,538 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$3,343 SGD
$2,615 USD
View
B+
Retailer 16
-
$3,537 SGD
$2,767 USD
View
B+
Retailer 17
-
$3,630 SGD
€2,704 EUR
View
B
Retailer 18
-
$3,732 SGD
ZAR 47,167 ZAR
View
Retailer 19
-
$3,924 SGD
A$4,723 AUD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$4,475 SGD
$3,501 USD
View
B
Retailer 21
-
$5,377 SGD
£3,312 GBP
View
Most Expensive
B
NZ Jewellers
e3eb7d6e-4a29-4a9b-8dac-53873e83a377 · Oct 27
$6,409 SGD
$5,013 USD
View
21 more retailers have this diamond
Prices start from $2,291 SGDSave up to $4,118 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 Round
$2,291 SGD