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Marquise|Natural|GIA

1.03ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 1558431023

Certificate GIA 1558431023

Diamond specifications and retailer prices

From €2,068 EUR
₹220,935 INR
As of October 30, 2026
Save €2,706 EUR (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €4,774 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct 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 1558431023. Listed at 20 retailers as of October 30, 2026, with prices from €2,068 to €4,774, a €2,706 spread on the same certified stone. NZ Jewellers lists it at €4,774. 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

1.03
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558431023
Dimensions10.04 × 5.28 × 3.37 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
10.04 mm5.28 mm1.03 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558431023
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.9%

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: Oct 30
Current: €4,774 EUR|Low: €2,056 EUR|High: €4,948 EUR|Avg: €2,977 EUR
NZ Jewellers
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
Retailer 16
October 31, 2026
Retailer 10€2,068 EUR
Retailer 7€2,454 EUR
Retailer 4€2,455 EUR
Retailer 16€2,456 EUR
Retailer 5€2,474 EUR
Retailer 11€2,681 EUR
Retailer 8€2,741 EUR
Retailer 15€2,741 EUR
Retailer 3€2,846 EUR
Retailer 2€2,863 EUR
Retailer 6€2,868 EUR
Retailer 14€3,162 EUR
Retailer 9€3,208 EUR
Retailer 13€3,337 EUR
Retailer 12€4,607 EUR
NZ Jewellers€4,774 EUR

22 data points across 16 retailers

20 retailers€2,068 EUR to €4,774 EUR

A
Cheapest Retailer
-
€2,068 EUR
₹220,935 INR
B+
Retailer 2
-
€2,454 EUR
$2,752 USD
View
A
Retailer 3
-
€2,455 EUR
$2,754 USD
View
A
Retailer 4
-
€2,456 EUR
$2,755 USD
View
B+
Retailer 5
-
€2,474 EUR
$2,775 USD
View
B+
Retailer 6
-
€2,681 EUR
£2,368 GBP
View
Retailer 7
-
€2,741 EUR
$3,074 USD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
€2,741 EUR
$3,074 USD
View
B+
Retailer 9
-
€2,741 EUR
$3,074 USD
View
B+
Retailer 10
-
€2,846 EUR
$3,192 USD
View
B+
Retailer 11
-
€2,863 EUR
£2,529 GBP
View
B+
Retailer 12
-
€2,868 EUR
$3,217 USD
View
Retailer 13
-
€2,928 EUR
A$5,052 AUD
View
Price last confirmed 25 days ago
Retailer 14
-
€3,162 EUR
$3,546 USD
View
Price last confirmed 39 days ago
B+
Retailer 15
-
€3,162 EUR
$3,546 USD
View
B
Retailer 16
-
€3,208 EUR
View
B+
Retailer 17
-
€3,337 EUR
ZAR 60,463 ZAR
View
B
Retailer 18
-
€4,607 EUR
£4,069 GBP
View
Retailer 19
-
€4,774 EUR
$5,355 USD
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
4373f7b7-d4b0-48b8-a48e-58b472d3a21f · Oct 30
€4,774 EUR
$5,355 USD
View
19 more retailers have this diamond
Prices start from €2,068 EURSave up to €2,706 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
1.03ct Marquise
€2,068 EUR