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Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 6432543536

Certificate GIA 6432543536

Diamond specifications and retailer prices

From $4,717 NZD
As of October 31, 2026
Save $7,169 NZD (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,886 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6432543536. Listed at 21 retailers as of October 31, 2026, with prices from $4,717 to $11,886, a $7,169 spread on the same certified stone. Diamond Quarter lists it at $11,886. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6432543536
Dimensions6.72 × 6.64 × 4.27 mm
L/W Ratio1.01
Top View
6.72 mm6.64 mm1.20 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6432543536
Side View
Table 55.0%Crown 36.5°Girdle: THN-THKPavilion 40.6°Culet: NoneDepth 64.0%

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 31
Current: $6,682 NZD|Low: $4,706 NZD|High: $10,997 NZD|Avg: $6,774 NZD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 8$4,717 NZD
Retailer 9$4,779 NZD
Retailer 11$5,769 NZD
Retailer 10$5,996 NZD
Retailer 4$6,629 NZD
Retailer 1$6,682 NZD
Retailer 3$6,747 NZD
Retailer 7$6,887 NZD
Retailer 2$6,958 NZD
Retailer 5$7,930 NZD
Retailer 6$10,836 NZD

43 data points across 11 retailers

21 retailers$4,717 NZD to $11,886 NZD

A
Cheapest Retailer
-
$4,717 NZD
A
Retailer 2
-
$4,779 NZD
View
B+
Retailer 3
-
$5,643 NZD
View
B+
Retailer 4
-
$5,769 NZD
View
B+
Retailer 5
-
$5,996 NZD
View
Final sale: no returns
Retailer 6
-
$6,139 NZD
View
Price last confirmed 103 days ago
B
Retailer 7
-
$6,241 NZD
View
B
Retailer 8
-
$6,498 NZD
View
Retailer 9
-
$6,498 NZD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$6,629 NZD
View
B
Retailer 11
-
$6,682 NZD
View
B
Retailer 12
-
$6,747 NZD
View
B
Retailer 13
-
$6,757 NZD
View
B
Retailer 14
-
$6,876 NZD
View
B
Retailer 15
-
$6,887 NZD
View
Retailer 16
-
$6,958 NZD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$7,497 NZD
View
B
Retailer 18
-
$7,930 NZD
View
B
Retailer 19
-
$10,836 NZD
View
C
Retailer 20
-
$11,319 NZD
View
Most Expensive
C
Diamond Quarter
1.2SI1H64364817N · Nov 5
$11,886 NZD
£5,188 GBP
View
20 more retailers have this diamond
Prices start from $4,717 NZDSave up to $7,169 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
$4,717 NZD