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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1558637331

Certificate GIA 1558637331

Diamond specifications and retailer prices

From €1,442 EUR
As of November 4, 2026
Save €2,342 EUR (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,784 EUR at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558637331. Listed at 11 retailers as of November 4, 2026, with prices from €1,442 to €3,784, a €2,342 spread on the same certified stone. NZ Jewellers lists it at €3,784. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558637331
Dimensions10.33 × 5.25 × 3.28 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.33 mm5.25 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558637331
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.5%

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 4
Current: €3,784 EUR|Low: €1,374 EUR|High: €3,933 EUR|Avg: €1,919 EUR|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3€1,442 EUR
Retailer 10€1,449 EUR
Retailer 9€1,551 EUR
Retailer 11€1,566 EUR
Retailer 2€1,587 EUR
Retailer 7€1,623 EUR
Retailer 4€1,662 EUR
Retailer 5€1,721 EUR
Retailer 8€1,790 EUR
Retailer 6€2,710 EUR
NZ Jewellers€3,784 EUR

35 data points across 11 retailers

11 retailers€1,442 EUR to €3,784 EUR

A
Cheapest Retailer
-
€1,442 EUR
A
Retailer 2
-
€1,449 EUR
View
A
Retailer 3
-
€1,551 EUR
View
Retailer 4
-
€1,566 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€1,587 EUR
View
A
Retailer 6
-
€1,623 EUR
View
A
Retailer 7
-
€1,662 EUR
View
A
Retailer 8
-
€1,721 EUR
View
A
Retailer 9
-
€1,790 EUR
View
B
Retailer 10
-
€2,710 EUR
View
Most Expensive
B
NZ Jewellers
517901f1-8871-46ff-b3a7-85dfedceebc3 · Nov 5
€3,784 EUR
$4,247 USD
View
10 more retailers have this diamond
Prices start from €1,442 EURSave up to €2,342 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
€1,442 EUR