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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1559111338

Certificate GIA 1559111338

Diamond specifications and retailer prices

From $3,878 NZD
As of November 6, 2026
Save $6,696 NZD (63%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,574 NZD at NZ Jewellers · As of November 5, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559111338. Listed at 22 retailers as of November 5, 2026, with prices from $3,878 to $10,574, a $6,696 spread on the same certified stone. NZ Jewellers lists it at $10,574. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559111338
Dimensions6.76 × 6.78 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.76 mm6.78 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559111338
Side View
Table 60.0%Crown 34°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.1%

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 6
Current: $10,574 NZD|Low: $3,831 NZD|High: $11,087 NZD|Avg: $5,338 NZD|-4.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 10$3,878 NZD
Retailer 14$4,050 NZD
Retailer 2$4,138 NZD
Retailer 9$4,160 NZD
Retailer 18$4,230 NZD
Retailer 11$4,261 NZD
Retailer 4$4,582 NZD
Retailer 12$4,627 NZD
Retailer 13$4,640 NZD
Retailer 21$4,690 NZD
Retailer 7$4,793 NZD
Retailer 3$4,797 NZD
Retailer 6$5,051 NZD
Retailer 8$5,051 NZD
Retailer 16$5,231 NZD
Retailer 20$5,287 NZD
Retailer 17$5,322 NZD
Retailer 19$5,904 NZD
Retailer 15$6,159 NZD
Retailer 22$6,191 NZD
Retailer 5$8,922 NZD
NZ Jewellers$10,574 NZD

19 data points across 22 retailers

22 retailers$3,878 NZD to $10,574 NZD

A
Cheapest Retailer
-
$3,878 NZD
A
Retailer 2
-
$4,050 NZD
View
A
Retailer 3
-
$4,138 NZD
View
A
Retailer 4
-
$4,160 NZD
View
A
Retailer 5
-
$4,230 NZD
View
Final sale: no returns
A
Retailer 6
-
$4,261 NZD
View
A
Retailer 7
-
$4,582 NZD
View
Retailer 8
-
$4,627 NZD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,640 NZD
View
A
Retailer 10
-
$4,690 NZD
View
A
Retailer 11
-
$4,793 NZD
View
A
Retailer 12
-
$4,797 NZD
View
A
Retailer 13
-
$5,051 NZD
View
A
Retailer 14
-
$5,051 NZD
View
A
Retailer 15
-
$5,231 NZD
View
A
Retailer 16
-
$5,287 NZD
View
A
Retailer 17
-
$5,322 NZD
View
B+
Retailer 18
-
$5,904 NZD
View
Retailer 19
-
$6,159 NZD
View
Price last confirmed 14 days ago
B+
Retailer 20
-
$6,191 NZD
View
B
Retailer 21
-
$8,922 NZD
View
Most Expensive
B
NZ Jewellers
28dc1c68-bee1-46b5-9d7a-18305e71e55d · Nov 5
$10,574 NZD
$5,862 USD
View
21 more retailers have this diamond
Prices start from $3,878 NZDSave up to $6,696 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
$3,878 NZD