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Marquise|Natural|GIA

1.20ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2564577837

Certificate GIA 2564577837

Diamond specifications and retailer prices

From $9,462 NZD
As of November 4, 2026
Save $7,703 NZD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,165 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564577837. Listed at 14 retailers as of November 4, 2026, with prices from $9,462 to $17,165, a $7,703 spread on the same certified stone. Wholesale Diamonds Direct lists it at $17,165. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.64°
Pavilion angle37.65°
OriginNatural
Grading LabGIA
CertificateGIA 2564577837
Dimensions11.38 × 5.55 × 3.23 mm
L/W Ratio2.05
Culet sizeNone
Top View
11.38 mm5.55 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564577837
Side View
Table 60.0%Crown 36.64°Girdle: THN-THKPavilion 37.65°Culet: NDepth 58.3%

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 4
Current: $12,000 NZD|Low: $9,462 NZD|High: $17,165 NZD|Avg: $11,900 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
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$9,462 NZD
Retailer 5$9,620 NZD
Retailer 12$9,722 NZD
Retailer 7$9,903 NZD
Retailer 3$10,010 NZD
Retailer 13$10,140 NZD
Retailer 11$10,239 NZD
Retailer 6$10,691 NZD
Retailer 4$11,954 NZD
Retailer 1$12,000 NZD
Retailer 10$12,009 NZD
Retailer 2$15,528 NZD
Retailer 9$16,304 NZD
Wholesale Diamonds Direct$17,165 NZD

21 data points across 14 retailers

14 retailers$9,462 NZD to $17,165 NZD

B+
Cheapest Retailer
-
$9,462 NZD
B+
Retailer 2
-
$9,620 NZD
View
B+
Retailer 3
-
$9,722 NZD
View
B+
Retailer 4
-
$9,903 NZD
View
B+
Retailer 5
-
$10,010 NZD
View
B+
Retailer 6
-
$10,140 NZD
View
B+
Retailer 7
-
$10,239 NZD
View
B+
Retailer 8
-
$10,691 NZD
View
B
Retailer 9
-
$11,954 NZD
View
B
Retailer 10
-
$12,000 NZD
View
B
Retailer 11
-
$12,009 NZD
View
B
Retailer 12
-
$15,528 NZD
View
B
Retailer 13
-
$16,304 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
661914510 · Nov 4
$17,165 NZD
$9,649 USD
View
13 more retailers have this diamond
Prices start from $9,462 NZDSave up to $7,703 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
$9,462 NZD