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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 €2,693 EUR
As of November 4, 2026
Save €3,168 EUR (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,861 EUR 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 €2,693 to €5,861, a €3,168 spread on the same certified stone. MOH London lists it at €5,861. 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: €5,861 EUR|Low: €2,703 EUR|High: €5,933 EUR|Avg: €3,782 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6€2,703 EUR
Retailer 4€2,787 EUR
Retailer 7€3,397 EUR
Retailer 2€3,550 EUR
Retailer 5€3,758 EUR
Retailer 3€3,944 EUR
Retailer 8€3,969 EUR
MOH London€5,861 EUR

46 data points across 8 retailers

14 retailers€2,693 EUR to €5,861 EUR

B+
Cheapest Retailer
-
€2,693 EUR
B+
Retailer 2
-
€2,703 EUR
View
B+
Retailer 3
-
€2,762 EUR
View
B+
Retailer 4
-
€2,787 EUR
View
Final sale: no returns
B+
Retailer 5
-
€3,017 EUR
View
B
Retailer 6
-
€3,397 EUR
View
B
Retailer 7
-
€3,454 EUR
View
B
Retailer 8
-
€3,454 EUR
View
B+
Retailer 9
-
€3,550 EUR
View
Retailer 10
-
€3,758 EUR
View
Price last confirmed 34 days ago
B
Retailer 11
-
€3,944 EUR
View
Retailer 12
-
€3,969 EUR
View
Price last confirmed 15 days ago
B
Retailer 13
-
€4,121 EUR
View
Most Expensive
B
MOH London
11EA10FE9 · Nov 2
€5,861 EUR
£5,153 GBP
View
13 more retailers have this diamond
Prices start from €2,693 EURSave up to €3,168 EUR

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
€2,693 EUR