Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7558906414

Certificate GIA 7558906414

Diamond specifications and retailer prices

From €2,260 EUR
As of November 3, 2026
Save €1,924 EUR (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,184 EUR at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

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 7558906414. Listed at 15 retailers as of November 3, 2026, with prices from €2,260 to €4,184, a €1,924 spread on the same certified stone. Helzberg Diamonds lists it at €4,184. 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
FluorescenceNone
Crown angle39.77°
Pavilion angle38.19°
OriginNatural
Grading LabGIA
CertificateGIA 7558906414
Dimensions9.86 × 5.17 × 3.20 mm
L/W Ratio1.91
Culet sizeNone
Top View
9.86 mm5.17 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558906414
Side View
Table 59.0%Crown 39.77°Girdle: STK-THKPavilion 38.19°Culet: NDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: €4,184 EUR|Low: €2,260 EUR|High: €4,268 EUR|Avg: €2,919 EUR|-2.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 5€2,260 EUR
Retailer 2€2,299 EUR
Retailer 12€2,416 EUR
Retailer 6€2,442 EUR
Retailer 7€2,484 EUR
Retailer 9€2,601 EUR
Retailer 4€2,648 EUR
Retailer 15€2,847 EUR
Retailer 8€2,875 EUR
Retailer 11€2,932 EUR
Retailer 3€2,941 EUR
Retailer 14€3,052 EUR
Retailer 10€3,711 EUR
Retailer 13€3,944 EUR
Helzberg Diamonds€4,184 EUR

37 data points across 15 retailers

15 retailers€2,260 EUR to €4,184 EUR

A
Cheapest Retailer
-
€2,260 EUR
A
Retailer 2
-
€2,299 EUR
View
B+
Retailer 3
-
€2,416 EUR
View
B+
Retailer 4
-
€2,442 EUR
View
B+
Retailer 5
-
€2,484 EUR
View
B+
Retailer 6
-
€2,601 EUR
View
B+
Retailer 7
-
€2,648 EUR
View
B+
Retailer 8
-
€2,847 EUR
View
B+
Retailer 9
-
€2,875 EUR
View
B+
Retailer 10
-
€2,932 EUR
View
B+
Retailer 11
-
€2,941 EUR
View
B+
Retailer 12
-
€3,052 EUR
View
B
Retailer 13
-
€3,711 EUR
View
B
Retailer 14
-
€3,944 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRNLLOPGMKHK · Nov 3
€4,184 EUR
$4,671 USD
View
14 more retailers have this diamond
Prices start from €2,260 EURSave up to €1,924 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.

A
1.02ct Marquise
€2,260 EUR