Marquise|Natural|GIA

1.02ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 2558115959

Certificate GIA 2558115959

Diamond specifications and retailer prices

From €2,681 EUR
$3,007 USD
As of October 31, 2026
Save €3,153 EUR (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,835 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 October 31, 2026, with prices from €2,681 to €5,835, a €3,153 spread on the same certified stone. MOH London lists it at €5,835. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,835 EUR|Low: €2,654 EUR|High: €5,906 EUR|Avg: €3,767 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6€2,691 EUR
Retailer 4€2,775 EUR
Retailer 7€3,382 EUR
Retailer 3€3,540 EUR
Retailer 5€3,741 EUR
Retailer 2€3,948 EUR
Retailer 8€3,951 EUR
MOH London€5,835 EUR

44 data points across 8 retailers

14 retailers€2,681 EUR to €5,835 EUR

B+
Cheapest Retailer
-
€2,681 EUR
$3,007 USD
B+
Retailer 2
-
€2,691 EUR
$3,018 USD
View
B+
Retailer 3
-
€2,750 EUR
$3,084 USD
View
B+
Retailer 4
-
€2,775 EUR
$3,112 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,004 EUR
CA$4,679 CAD
View
B
Retailer 6
-
€3,382 EUR
$3,793 USD
View
B
Retailer 7
-
€3,438 EUR
$3,856 USD
View
B
Retailer 8
-
€3,438 EUR
$3,856 USD
View
B+
Retailer 9
-
€3,540 EUR
£3,126 GBP
View
Retailer 10
-
€3,741 EUR
A$6,456 AUD
View
Price last confirmed 29 days ago
B
Retailer 11
-
€3,948 EUR
View
Retailer 12
-
€3,951 EUR
$4,431 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€4,102 EUR
$4,601 USD
View
Most Expensive
B
MOH London
11EA10FE9 · Nov 2
€5,835 EUR
£5,153 GBP
View
13 more retailers have this diamond
Prices start from €2,681 EURSave up to €3,153 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
€2,681 EUR