CaratHunter
Plans
Marquise|Natural|GIA

1.20ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2556199559

Certificate GIA 2556199559

Diamond specifications and retailer prices

From $5,123 NZD
As of November 4, 2026
Save $4,031 NZD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,154 NZD at Wholesale Diamonds Direct · As of November 6, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556199559. Listed at 11 retailers as of November 4, 2026, with prices from $5,123 to $9,154, a $4,031 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,154. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.64°
Pavilion angle39.18°
OriginNatural
Grading LabGIA
CertificateGIA 2556199559
Dimensions11.28 × 5.34 × 3.34 mm
L/W Ratio2.11
Top View
11.28 mm5.34 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556199559
Side View
Table 59.0%Crown 39.64°Girdle: MED-THKPavilion 39.18°Culet: NoneDepth 62.5%

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 4
Current: $5,980 NZD|Low: $5,123 NZD|High: $10,097 NZD|Avg: $6,518 NZD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 7, 2026
Retailer 5$5,123 NZD
Retailer 4$5,248 NZD
Retailer 2$5,451 NZD
Retailer 6$5,524 NZD
Retailer 1$5,980 NZD
Retailer 9$6,171 NZD
Retailer 7$6,579 NZD
Retailer 8$6,723 NZD
Retailer 3$6,815 NZD
Wholesale Diamonds Direct$9,154 NZD

40 data points across 10 retailers

11 retailers$5,123 NZD to $9,154 NZD

A
Cheapest Retailer
-
$5,123 NZD
A
Retailer 2
-
$5,248 NZD
View
A
Retailer 3
-
$5,451 NZD
View
A
Retailer 4
-
$5,524 NZD
View
B+
Retailer 5
-
$5,980 NZD
View
B+
Retailer 6
-
$6,171 NZD
View
B+
Retailer 7
-
$6,579 NZD
View
B+
Retailer 8
-
$6,723 NZD
View
B+
Retailer 9
-
$6,815 NZD
View
B
Retailer 10
-
$7,414 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
369337227 · Nov 6
$9,154 NZD
$5,075 USD
View
10 more retailers have this diamond
Prices start from $5,123 NZDSave up to $4,031 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
$5,123 NZD