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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1455782797

Certificate GIA 1455782797

Diamond specifications and retailer prices

From $3,994 NZD
As of November 6, 2026
Save $7,878 NZD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,872 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 1455782797. Listed at 18 retailers as of November 5, 2026, with prices from $3,994 to $11,872, a $7,878 spread on the same certified stone. Diamond Quarter lists it at $11,872. 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
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1455782797
Dimensions6.79 × 6.74 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cavity, Indented Natural, Natural
Top View
6.79 mm6.74 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1455782797
Side View
Table 58.0%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: $4,988 NZD|Low: $3,970 NZD|High: $11,209 NZD|Avg: $5,822 NZD|-7.7%
Retailer 1
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
November 6, 2026
Retailer 12$3,994 NZD
Retailer 16$4,270 NZD
Retailer 6$4,483 NZD
Retailer 3$4,858 NZD
Retailer 14$4,858 NZD
Retailer 1$4,988 NZD
Retailer 5$5,044 NZD
Retailer 2$5,556 NZD
Retailer 7$5,556 NZD
Retailer 4$5,605 NZD
Retailer 9$5,643 NZD
Retailer 13$5,736 NZD
Retailer 10$6,050 NZD
Retailer 8$6,225 NZD
Retailer 11$8,965 NZD
Retailer 15$11,209 NZD

40 data points across 16 retailers

18 retailers$3,994 NZD to $11,872 NZD

A
Cheapest Retailer
-
$3,994 NZD
A
Retailer 2
-
$4,270 NZD
View
A
Retailer 3
-
$4,483 NZD
View
Final sale: no returns
Retailer 4
-
$4,858 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$4,858 NZD
View
A
Retailer 6
-
$4,988 NZD
View
B+
Retailer 7
-
$5,044 NZD
View
Retailer 8
-
$5,441 NZD
View
Price last confirmed 109 days ago
B+
Retailer 9
-
$5,556 NZD
View
B+
Retailer 10
-
$5,556 NZD
View
B+
Retailer 11
-
$5,603 NZD
View
B+
Retailer 12
-
$5,605 NZD
View
B+
Retailer 13
-
$5,643 NZD
View
B+
Retailer 14
-
$5,736 NZD
View
B+
Retailer 15
-
$6,050 NZD
View
B
Retailer 16
-
$8,965 NZD
View
B
Retailer 17
-
$11,209 NZD
View
Most Expensive
B
Diamond Quarter
1.2SI2H14978F16N · Nov 5
$11,872 NZD
£5,182 GBP
View
17 more retailers have this diamond
Prices start from $3,994 NZDSave up to $7,878 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
$3,994 NZD