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Marquise|Natural|GIA

1.20ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6552321194

Certificate GIA 6552321194

Diamond specifications and retailer prices

From $4,131 NZD
As of November 5, 2026
Save $4,104 NZD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,235 NZD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded I 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 6552321194. Listed at 11 retailers as of November 4, 2026, with prices from $4,131 to $8,235, a $4,104 spread on the same certified stone. Wholesale Diamonds Direct lists it at $8,235. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle39.29°
Pavilion angle38.47°
OriginNatural
Grading LabGIA
CertificateGIA 6552321194
Dimensions10.46 × 5.53 × 3.40 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.46 mm5.53 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552321194
Side View
Table 59.0%Crown 39.29°Girdle: THN-THKPavilion 38.47°Culet: NoneDepth 61.5%

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 5
Current: $4,131 NZD|Low: $4,107 NZD|High: $9,439 NZD|Avg: $6,322 NZD|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$4,131 NZD
Retailer 2$5,058 NZD
Retailer 9$5,073 NZD
Retailer 7$5,506 NZD
Retailer 5$5,906 NZD
Retailer 8$5,978 NZD
Retailer 6$6,085 NZD
Retailer 4$6,099 NZD
Retailer 3$7,710 NZD
Wholesale Diamonds Direct$8,235 NZD

32 data points across 10 retailers

11 retailers$4,131 NZD to $8,235 NZD

A
Cheapest Retailer
-
$4,131 NZD
A
Retailer 2
-
$5,058 NZD
View
A
Retailer 3
-
$5,073 NZD
View
A
Retailer 4
-
$5,506 NZD
View
B+
Retailer 5
-
$5,906 NZD
View
B+
Retailer 6
-
$5,978 NZD
View
B+
Retailer 7
-
$6,085 NZD
View
B+
Retailer 8
-
$6,099 NZD
View
B+
Retailer 9
-
$6,887 NZD
View
B+
Retailer 10
-
$7,710 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
643534585 · Nov 4
$8,235 NZD
$4,565 USD
View
10 more retailers have this diamond
Prices start from $4,131 NZDSave up to $4,104 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 Marquise
$4,131 NZD