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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6551278764

Certificate GIA 6551278764

Diamond specifications and retailer prices

From €1,015 EUR
As of November 6, 2026
Save €2,174 EUR (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,189 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 6551278764. Listed at 17 retailers as of November 5, 2026, with prices from €1,015 to €3,189, a €2,174 spread on the same certified stone. NZ Jewellers lists it at €3,189. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551278764
Dimensions10.35 × 5.16 × 3.31 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.35 mm5.16 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551278764
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.1%

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 6
Current: €1,337 EUR|Low: €1,015 EUR|High: €2,302 EUR|Avg: €1,495 EUR|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€1,015 EUR
Retailer 7€1,048 EUR
Retailer 1€1,337 EUR
Retailer 9€1,365 EUR
Retailer 2€1,368 EUR
Retailer 3€1,443 EUR
Retailer 5€1,443 EUR
Retailer 10€1,724 EUR
Retailer 4€1,810 EUR
Retailer 6€2,284 EUR

29 data points across 10 retailers

17 retailers€1,015 EUR to €3,189 EUR

A
Cheapest Retailer
-
€1,015 EUR
A
Retailer 2
-
€1,048 EUR
View
A
Retailer 3
-
€1,212 EUR
View
B+
Retailer 4
-
€1,307 EUR
View
Retailer 5
-
€1,307 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
€1,337 EUR
View
A
Retailer 7
-
€1,365 EUR
View
B+
Retailer 8
-
€1,368 EUR
View
B+
Retailer 9
-
€1,394 EUR
View
B+
Retailer 10
-
€1,443 EUR
View
A
Retailer 11
-
€1,443 EUR
View
B+
Retailer 12
-
€1,508 EUR
View
B+
Retailer 13
-
€1,724 EUR
View
B+
Retailer 14
-
€1,810 EUR
View
B+
Retailer 15
-
€1,998 EUR
View
B+
Retailer 16
-
€2,284 EUR
View
Most Expensive
B
NZ Jewellers
bd7bb135-aa6a-4cf1-ab98-94b077c77aa8 · Nov 5
€3,189 EUR
$3,579 USD
View
16 more retailers have this diamond
Prices start from €1,015 EURSave up to €2,174 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
€1,015 EUR