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Marquise|Natural|GIA

1.20ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 1553732833

Certificate GIA 1553732833

Diamond specifications and retailer prices

From $6,101 NZD
As of November 2, 2026
Save $4,798 NZD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,899 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553732833. Listed at 8 retailers as of November 2, 2026, with prices from $6,101 to $10,899, a $4,798 spread on the same certified stone. NZ Jewellers lists it at $10,899. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle41.36°
Pavilion angle40.79°
OriginNatural
Grading LabGIA
CertificateGIA 1553732833
Dimensions9.68 × 5.44 × 3.73 mm
L/W Ratio1.78
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
9.68 mm5.44 mm1.20 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 1553732833
Side View
Table 57.0%Crown 41.36°Girdle: THK-VTKPavilion 40.79°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $10,899 NZD|Low: $6,025 NZD|High: $11,662 NZD|Avg: $7,850 NZD|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 3$6,101 NZD
Retailer 7$6,256 NZD
Retailer 2$6,260 NZD
Retailer 5$6,422 NZD
Retailer 6$6,496 NZD
Retailer 8$7,048 NZD
Retailer 4$10,463 NZD
NZ Jewellers$10,899 NZD

38 data points across 8 retailers

8 retailers$6,101 NZD to $10,899 NZD

B+
Cheapest Retailer
-
$6,101 NZD
B+
Retailer 2
-
$6,256 NZD
View
B+
Retailer 3
-
$6,260 NZD
View
B+
Retailer 4
-
$6,422 NZD
View
B+
Retailer 5
-
$6,496 NZD
View
Retailer 6
-
$7,048 NZD
View
Price last confirmed 30 days ago
B
Retailer 7
-
$10,463 NZD
View
Most Expensive
B
NZ Jewellers
857e2cb2-a4b0-4b3a-9072-4c8fbd91870c · Nov 3
$10,899 NZD
$6,042 USD
View
7 more retailers have this diamond
Prices start from $6,101 NZDSave up to $4,798 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.

B+
1.20ct Marquise
$6,101 NZD