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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 3555195056

Certificate GIA 3555195056

Diamond specifications and retailer prices

From $3,694 NZD
As of November 6, 2026
Save $4,793 NZD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,286 NZD at Queensmith · As of October 28, 2026
View at Queensmith

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 3555195056. Listed at 17 retailers as of November 4, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555195056
Dimensions6.76 × 6.81 × 4.23 mm
L/W Ratio1.01
Top View
6.76 mm6.81 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555195056
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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: $10,286 NZD|Low: $3,694 NZD|High: $10,309 NZD|Avg: $6,007 NZD|+3.0%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$3,694 NZD
Retailer 2$3,842 NZD
Retailer 8$4,304 NZD
Retailer 10$4,483 NZD
Retailer 11$4,961 NZD
Retailer 4$5,110 NZD
Retailer 6$5,110 NZD
Retailer 5$5,134 NZD
Retailer 7$6,016 NZD
Retailer 9$8,487 NZD
Queensmith$10,286 NZD

32 data points across 11 retailers

17 retailers$3,694 NZD to $8,487 NZD

A
Cheapest Retailer
-
$3,694 NZD
A
Retailer 2
-
$3,842 NZD
View
A
Retailer 3
-
$4,304 NZD
View
A
Retailer 4
-
$4,483 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,569 NZD
View
Retailer 6
-
$4,907 NZD
View
Price last confirmed 39 days ago
Retailer 7
-
$4,907 NZD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$4,961 NZD
View
Retailer 9
-
$5,096 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$5,110 NZD
View
A
Retailer 11
-
$5,110 NZD
View
A
Retailer 12
-
$5,134 NZD
View
Retailer 13
-
$5,662 NZD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$6,016 NZD
View
B+
Retailer 15
-
$8,487 NZD
View
Retailer 16
-
$10,261 NZD
View
Price last confirmed 39 days ago
Most Expensive
Queensmith
3555195056 · Oct 28
$10,286 NZD
£4,490 GBP
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $3,694 NZDSave up to $4,793 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
$3,694 NZD