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Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 3565590413

Certificate GIA 3565590413

Diamond specifications and retailer prices

From €2,212 EUR
$2,481 USD
As of November 1, 2026
Save €1,784 EUR (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,996 EUR at Helzberg Diamonds · As of November 1, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565590413. Listed at 12 retailers as of November 1, 2026, with prices from €2,212 to €3,996, a €1,784 spread on the same certified stone. Helzberg Diamonds lists it at €3,996. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.17°
OriginNatural
Grading LabGIA
CertificateGIA 3565590413
Dimensions10.96 × 5.24 × 3.04 mm
L/W Ratio2.09
Culet sizeNone
Top View
10.96 mm5.24 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565590413
Side View
Table 59.0%Crown 35.6°Girdle: STK-THKPavilion 38.17°Culet: NDepth 58.0%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €3,996 EUR|Low: €2,212 EUR|High: €3,996 EUR|Avg: €2,772 EUR
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4€2,212 EUR
Retailer 8€2,284 EUR
Retailer 9€2,307 EUR
Retailer 7€2,324 EUR
Retailer 5€2,488 EUR
Retailer 12€2,531 EUR
Retailer 10€2,746 EUR
Retailer 11€2,824 EUR
Retailer 6€2,915 EUR
Retailer 2€2,992 EUR
Retailer 3€3,753 EUR
Helzberg Diamonds€3,996 EUR

8 data points across 12 retailers

12 retailers€2,212 EUR to €3,996 EUR

A
Cheapest Retailer
-
€2,212 EUR
$2,481 USD
A
Retailer 2
-
€2,284 EUR
$2,562 USD
View
B+
Retailer 3
-
€2,307 EUR
$2,587 USD
View
B+
Retailer 4
-
€2,324 EUR
$2,606 USD
View
B+
Retailer 5
-
€2,488 EUR
£2,197 GBP
View
B+
Retailer 6
-
€2,531 EUR
SGD 3,836 SGD
View
B+
Retailer 7
-
€2,746 EUR
$3,080 USD
View
B+
Retailer 8
-
€2,824 EUR
$3,168 USD
View
B+
Retailer 9
-
€2,915 EUR
$3,269 USD
View
B
Retailer 10
-
€2,992 EUR
View
Retailer 11
-
€3,753 EUR
$4,210 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Helzberg Diamonds
XZRJLMLLPGKHJ · Nov 1
€3,996 EUR
$4,482 USD
View
11 more retailers have this diamond
Prices start from €2,212 EURSave up to €1,784 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
€2,212 EUR