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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 $2,551 AUD
HK$14,000 HKD
As of October 27, 2026
Save $4,585 AUD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,137 AUD 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 $2,551 to $7,137, a $4,585 spread on the same certified stone. NZ Jewellers lists it at $7,137. 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: $7,137 AUD|Low: $2,551 AUD|High: $7,394 AUD|Avg: $3,775 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 28, 2026
Retailer 3$2,551 AUD
Retailer 17$2,612 AUD
Retailer 12$2,786 AUD
Retailer 20$3,011 AUD
Retailer 6$3,084 AUD
Retailer 13$3,249 AUD
Retailer 7$3,313 AUD
Retailer 2$3,402 AUD
Retailer 10$3,414 AUD
Retailer 21$3,414 AUD
Retailer 14$3,570 AUD
Retailer 9$3,584 AUD
Retailer 15$3,604 AUD
Retailer 8$3,613 AUD
Retailer 4$3,723 AUD
Retailer 11$3,939 AUD
Retailer 18$4,042 AUD
Retailer 16$4,156 AUD
Retailer 5$4,984 AUD
Retailer 19$5,988 AUD
NZ Jewellers$7,137 AUD

24 data points across 21 retailers

22 retailers$2,551 AUD to $7,137 AUD

A
Cheapest Retailer
-
$2,551 AUD
HK$14,000 HKD
A
Retailer 2
-
$2,612 AUD
₹174,768 INR
View
A
Retailer 3
-
$2,786 AUD
₹186,361 INR
View
Retailer 4
-
$3,011 AUD
$2,115 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$3,084 AUD
$2,166 USD
View
B+
Retailer 6
-
$3,249 AUD
£1,797 GBP
View
B+
Retailer 7
-
$3,313 AUD
$2,327 USD
View
B+
Retailer 8
-
$3,402 AUD
$2,390 USD
View
Retailer 9
-
$3,414 AUD
$2,398 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,414 AUD
$2,398 USD
View
B+
Retailer 11
-
$3,570 AUD
$2,508 USD
View
B+
Retailer 12
-
$3,584 AUD
SGD 3,402 SGD
View
B+
Retailer 13
-
$3,604 AUD
£1,993 GBP
View
B+
Retailer 14
-
$3,613 AUD
$2,538 USD
View
B+
Retailer 15
-
$3,723 AUD
$2,615 USD
View
B+
Retailer 16
-
$3,939 AUD
$2,767 USD
View
B+
Retailer 17
-
$4,042 AUD
€2,704 EUR
View
B
Retailer 18
-
$4,156 AUD
ZAR 47,167 ZAR
View
Retailer 19
-
$4,370 AUD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$4,984 AUD
$3,501 USD
View
B
Retailer 21
-
$5,988 AUD
£3,312 GBP
View
Most Expensive
B
NZ Jewellers
e3eb7d6e-4a29-4a9b-8dac-53873e83a377 · Oct 27
$7,137 AUD
$5,013 USD
View
21 more retailers have this diamond
Prices start from $2,551 AUDSave up to $4,585 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 Round
$2,551 AUD