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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1216036283

Certificate GIA 1216036283

Diamond specifications and retailer prices

From $5,273 NZD
As of November 6, 2026
Save $8,821 NZD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,094 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1216036283. Listed at 18 retailers as of November 5, 2026, with prices from $5,273 to $14,094, a $8,821 spread on the same certified stone. Diamond Quarter lists it at $14,094. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1216036283
Dimensions6.77 × 6.73 × 4.24 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.77 mm6.73 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1216036283
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: $6,027 NZD|Low: $4,569 NZD|High: $11,094 NZD|Avg: $6,649 NZD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$5,273 NZD
Retailer 6$5,340 NZD
Retailer 9$5,484 NZD
Retailer 8$5,938 NZD
Retailer 10$5,938 NZD
Retailer 2$5,965 NZD
Retailer 1$6,027 NZD
Retailer 7$6,168 NZD
Retailer 3$6,853 NZD
Retailer 4$7,625 NZD
Retailer 5$10,933 NZD

42 data points across 11 retailers

18 retailers$5,273 NZD to $14,094 NZD

A
Cheapest Retailer
-
$5,273 NZD
A
Retailer 2
-
$5,340 NZD
View
B+
Retailer 3
-
$5,484 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,563 NZD
View
Retailer 5
-
$5,938 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$5,938 NZD
View
B+
Retailer 7
-
$5,965 NZD
View
B+
Retailer 8
-
$6,027 NZD
View
B+
Retailer 9
-
$6,168 NZD
View
B+
Retailer 10
-
$6,458 NZD
View
B+
Retailer 11
-
$6,458 NZD
View
B+
Retailer 12
-
$6,674 NZD
View
B
Retailer 13
-
$6,853 NZD
View
Retailer 14
-
$7,425 NZD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$7,625 NZD
View
B
Retailer 16
-
$10,933 NZD
View
B
Retailer 17
-
$11,422 NZD
View
Most Expensive
B
Diamond Quarter
1.2SI2H1283D34AN · Nov 5
$14,094 NZD
£6,152 GBP
View
17 more retailers have this diamond
Prices start from $5,273 NZDSave up to $8,821 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
$5,273 NZD