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Marquise|Natural|GIA

1.02ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2558115959

Certificate GIA 2558115959

Diamond specifications and retailer prices

From $5,424 NZD
As of November 4, 2026
Save $6,381 NZD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,805 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural marquise diamond

This 1.02ct 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 2558115959. Listed at 14 retailers as of November 2, 2026, with prices from $5,424 to $11,805, a $6,381 spread on the same certified stone. MOH London lists it at $11,805. 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

1.02
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2558115959
Dimensions10.17 × 5.23 × 3.29 mm
L/W Ratio1.94
Top View
10.17 mm5.23 mm1.02 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2558115959
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

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: $11,805 NZD|Low: $5,444 NZD|High: $11,950 NZD|Avg: $7,617 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6$5,444 NZD
Retailer 4$5,614 NZD
Retailer 7$6,842 NZD
Retailer 2$7,151 NZD
Retailer 5$7,569 NZD
Retailer 3$7,944 NZD
Retailer 8$7,993 NZD
MOH London$11,805 NZD

46 data points across 8 retailers

14 retailers$5,424 NZD to $11,805 NZD

B+
Cheapest Retailer
-
$5,424 NZD
B+
Retailer 2
-
$5,444 NZD
View
B+
Retailer 3
-
$5,563 NZD
View
B+
Retailer 4
-
$5,614 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,076 NZD
View
B
Retailer 6
-
$6,842 NZD
View
B
Retailer 7
-
$6,956 NZD
View
B
Retailer 8
-
$6,956 NZD
View
B+
Retailer 9
-
$7,151 NZD
View
Retailer 10
-
$7,569 NZD
View
Price last confirmed 34 days ago
B
Retailer 11
-
$7,944 NZD
View
Retailer 12
-
$7,993 NZD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$8,300 NZD
View
Most Expensive
B
MOH London
11EA10FE9 · Nov 2
$11,805 NZD
£5,153 GBP
View
13 more retailers have this diamond
Prices start from $5,424 NZDSave up to $6,381 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+
1.02ct Marquise
$5,424 NZD