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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 $3,180 NZD
HK$14,000 HKD
As of October 27, 2026
Save $5,715 NZD (64%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,895 NZD 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 $3,180 to $8,895, a $5,715 spread on the same certified stone. NZ Jewellers lists it at $8,895. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $8,895 NZD|Low: $3,180 NZD|High: $9,216 NZD|Avg: $4,705 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 28, 2026
Retailer 3$3,180 NZD
Retailer 17$3,256 NZD
Retailer 12$3,472 NZD
Retailer 20$3,753 NZD
Retailer 6$3,843 NZD
Retailer 13$4,049 NZD
Retailer 7$4,129 NZD
Retailer 2$4,241 NZD
Retailer 10$4,255 NZD
Retailer 21$4,255 NZD
Retailer 14$4,450 NZD
Retailer 9$4,467 NZD
Retailer 15$4,491 NZD
Retailer 8$4,502 NZD
Retailer 4$4,640 NZD
Retailer 11$4,909 NZD
Retailer 18$5,038 NZD
Retailer 16$5,180 NZD
Retailer 5$6,211 NZD
Retailer 19$7,463 NZD
NZ Jewellers$8,895 NZD

24 data points across 21 retailers

22 retailers$3,180 NZD to $8,895 NZD

A
Cheapest Retailer
-
$3,180 NZD
HK$14,000 HKD
A
Retailer 2
-
$3,256 NZD
₹174,768 INR
View
A
Retailer 3
-
$3,472 NZD
₹186,361 INR
View
Retailer 4
-
$3,753 NZD
$2,115 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$3,843 NZD
$2,166 USD
View
B+
Retailer 6
-
$4,049 NZD
£1,797 GBP
View
B+
Retailer 7
-
$4,129 NZD
$2,327 USD
View
B+
Retailer 8
-
$4,241 NZD
$2,390 USD
View
Retailer 9
-
$4,255 NZD
$2,398 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$4,255 NZD
$2,398 USD
View
Retailer 11
-
$4,450 NZD
$2,508 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$4,467 NZD
SGD 3,402 SGD
View
B+
Retailer 13
-
$4,491 NZD
£1,993 GBP
View
Retailer 14
-
$4,502 NZD
$2,538 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$4,640 NZD
$2,615 USD
View
B+
Retailer 16
-
$4,909 NZD
$2,767 USD
View
B+
Retailer 17
-
$5,038 NZD
€2,704 EUR
View
B
Retailer 18
-
$5,180 NZD
ZAR 47,167 ZAR
View
Retailer 19
-
$5,447 NZD
A$4,723 AUD
View
Price last confirmed 28 days ago
B
Retailer 20
-
$6,211 NZD
$3,501 USD
View
B
Retailer 21
-
$7,463 NZD
£3,312 GBP
View
Most Expensive
B
NZ Jewellers
e3eb7d6e-4a29-4a9b-8dac-53873e83a377 · Oct 27
$8,895 NZD
$5,013 USD
View
21 more retailers have this diamond
Prices start from $3,180 NZDSave up to $5,715 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 Round
$3,180 NZD