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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2557870993

Certificate GIA 2557870993

Diamond specifications and retailer prices

From €2,565 EUR
As of November 4, 2026
Save €3,253 EUR (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,818 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded I 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 2557870993. Listed at 20 retailers as of November 4, 2026, with prices from €2,565 to €5,818, a €3,253 spread on the same certified stone. NZ Jewellers lists it at €5,818. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557870993
Dimensions10.40 × 5.24 × 3.24 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeNone
Top View
10.40 mm5.24 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557870993
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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: €5,818 EUR|Low: €2,653 EUR|High: €5,818 EUR|Avg: €3,872 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8€2,653 EUR
Retailer 11€3,026 EUR
Retailer 10€3,142 EUR
Retailer 9€3,289 EUR
Retailer 2€3,435 EUR
Retailer 3€3,491 EUR
Retailer 7€3,576 EUR
Retailer 6€3,909 EUR
Retailer 4€4,076 EUR
Retailer 5€5,570 EUR
NZ Jewellers€5,818 EUR

45 data points across 11 retailers

20 retailers€2,565 EUR to €5,818 EUR

B+
Cheapest Retailer
-
€2,565 EUR
B+
Retailer 2
-
€2,653 EUR
View
Final sale: no returns
B+
Retailer 3
-
€2,675 EUR
View
B+
Retailer 4
-
€3,026 EUR
View
B
Retailer 5
-
€3,094 EUR
View
B
Retailer 6
-
€3,142 EUR
View
B+
Retailer 7
-
€3,289 EUR
View
B+
Retailer 8
-
€3,289 EUR
View
B
Retailer 9
-
€3,430 EUR
View
B
Retailer 10
-
€3,430 EUR
View
B+
Retailer 11
-
€3,435 EUR
View
B
Retailer 12
-
€3,491 EUR
View
B
Retailer 13
-
€3,547 EUR
View
Retailer 14
-
€3,576 EUR
View
Price last confirmed 30 days ago
Retailer 15
-
€3,782 EUR
View
Price last confirmed 15 days ago
B
Retailer 16
-
€3,909 EUR
View
B
Retailer 17
-
€3,925 EUR
View
B
Retailer 18
-
€4,076 EUR
View
B
Retailer 19
-
€5,570 EUR
View
Most Expensive
B
NZ Jewellers
54a6be71-36ed-481b-a989-ae3cde50d2ea · Nov 5
€5,818 EUR
$6,496 USD
View
19 more retailers have this diamond
Prices start from €2,565 EURSave up to €3,253 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
€2,565 EUR