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Marquise|Natural|GIA

1.03ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 1559696271

Certificate GIA 1559696271

Diamond specifications and retailer prices

From €2,928 EUR
$3,284 USD
As of November 2, 2026
Save €2,580 EUR (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €5,508 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 1559696271. Listed at 8 retailers as of October 30, 2026, with prices from €2,928 to €5,508, a €2,580 spread on the same certified stone. NZ Jewellers lists it at €5,508. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.28°
Pavilion angle39.09°
OriginNatural
Grading LabGIA
CertificateGIA 1559696271
Dimensions10.57 × 5.37 × 3.12 mm
L/W Ratio1.97
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
10.57 mm5.37 mm1.03 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559696271
Side View
Table 62.0%Crown 34.28°Girdle: THK-VTKPavilion 39.09°Culet: NoneDepth 58.1%

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 2
Current: €5,508 EUR|Low: €2,928 EUR|High: €5,508 EUR|Avg: €3,681 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7€2,928 EUR
Retailer 2€3,084 EUR
Retailer 6€3,162 EUR
Retailer 4€3,236 EUR
Retailer 8€3,236 EUR
Retailer 5€3,283 EUR
Retailer 3€5,288 EUR
NZ Jewellers€5,508 EUR

13 data points across 8 retailers

8 retailers€2,928 EUR to €5,508 EUR

B+
Cheapest Retailer
-
€2,928 EUR
$3,284 USD
B+
Retailer 2
-
€3,084 EUR
£2,723 GBP
View
B+
Retailer 3
-
€3,162 EUR
$3,546 USD
View
B+
Retailer 4
-
€3,236 EUR
$3,630 USD
View
B
Retailer 5
-
€3,236 EUR
$3,630 USD
View
B+
Retailer 6
-
€3,283 EUR
$3,682 USD
View
B
Retailer 7
-
€5,288 EUR
£4,670 GBP
View
Most Expensive
B
NZ Jewellers
8abead3f-97db-4291-8655-981400cffd61 · Oct 30
€5,508 EUR
$6,178 USD
View
7 more retailers have this diamond
Prices start from €2,928 EURSave up to €2,580 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+
1.03ct Marquise
€2,928 EUR