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Marquise|Natural|GIA

1.00ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6565660710

Certificate GIA 6565660710

Diamond specifications and retailer prices

From €2,203 EUR
HK$19,300 HKD
As of November 1, 2026
Save €2,951 EUR (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,153 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct 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 6565660710. Listed at 12 retailers as of October 30, 2026, with prices from €2,203 to €5,153, a €2,951 spread on the same certified stone. NZ Jewellers lists it at €5,153. 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

1.00
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565660710
Dimensions10.11 × 5.14 × 3.25 mm
L/W Ratio1.97
Culet sizeNone
Key to symbols
Cloud, Crystal, Cavity, Feather, Needle
Top View
10.11 mm5.14 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565660710
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.3%

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: €5,153 EUR|Low: €2,191 EUR|High: €5,153 EUR|Avg: €3,090 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7€2,203 EUR
Retailer 4€2,223 EUR
Retailer 3€2,348 EUR
Retailer 6€2,740 EUR
Retailer 9€2,862 EUR
Retailer 5€2,885 EUR
Retailer 11€2,957 EUR
Retailer 10€3,071 EUR
Retailer 8€3,413 EUR
Retailer 2€4,947 EUR
NZ Jewellers€5,153 EUR

6 data points across 11 retailers

12 retailers€2,203 EUR to €5,153 EUR

A
Cheapest Retailer
-
€2,203 EUR
HK$19,300 HKD
A
Retailer 2
-
€2,223 EUR
₹237,422 INR
View
B+
Retailer 3
-
€2,348 EUR
$2,633 USD
View
Final sale: no returns
B+
Retailer 4
-
€2,474 EUR
A$4,270 AUD
View
B+
Retailer 5
-
€2,740 EUR
$3,073 USD
View
B+
Retailer 6
-
€2,862 EUR
$3,210 USD
View
B+
Retailer 7
-
€2,885 EUR
£2,548 GBP
View
B+
Retailer 8
-
€2,957 EUR
$3,317 USD
View
B
Retailer 9
-
€3,071 EUR
$3,445 USD
View
B
Retailer 10
-
€3,413 EUR
$3,828 USD
View
B
Retailer 11
-
€4,947 EUR
£4,369 GBP
View
Most Expensive
B
NZ Jewellers
1c69537c-7e7d-4c62-b597-c9dff015eeb5 · Oct 30
€5,153 EUR
$5,780 USD
View
11 more retailers have this diamond
Prices start from €2,203 EURSave up to €2,951 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
1.00ct Marquise
€2,203 EUR