Marquise|Natural|GIA

1.00ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 2566212549

Certificate GIA 2566212549

Diamond specifications and retailer prices

From €1,099 EUR
As of November 6, 2026
Save €2,504 EUR (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,604 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct 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 2566212549. Listed at 15 retailers as of November 5, 2026, with prices from €1,099 to €3,604, a €2,504 spread on the same certified stone. NZ Jewellers lists it at €3,604. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566212549
Dimensions11.25 × 5.13 × 2.99 mm
L/W Ratio2.19
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Needle
Top View
11.25 mm5.13 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2566212549
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NDepth 58.3%

Caratlytics Score

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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 6
Current: €3,604 EUR|Low: €1,099 EUR|High: €3,652 EUR|Avg: €1,780 EUR|-1.3%
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
November 6, 2026
Retailer 2€1,099 EUR
Retailer 4€1,369 EUR
Retailer 3€1,478 EUR
Retailer 14€1,478 EUR
Retailer 8€1,511 EUR
Retailer 5€1,517 EUR
Retailer 15€1,546 EUR
Retailer 11€1,564 EUR
Retailer 6€1,599 EUR
Retailer 10€1,639 EUR
Retailer 13€1,663 EUR
Retailer 7€1,705 EUR
Retailer 9€2,007 EUR
Retailer 12€2,588 EUR
NZ Jewellers€3,604 EUR

24 data points across 15 retailers

15 retailers€1,099 EUR to €3,604 EUR

A
Cheapest Retailer
-
€1,099 EUR
A
Retailer 2
-
€1,369 EUR
View
Retailer 3
-
€1,478 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€1,478 EUR
View
A
Retailer 5
-
€1,511 EUR
View
A
Retailer 6
-
€1,517 EUR
View
B+
Retailer 7
-
€1,546 EUR
View
A
Retailer 8
-
€1,564 EUR
View
A
Retailer 9
-
€1,599 EUR
View
B+
Retailer 10
-
€1,639 EUR
View
B+
Retailer 11
-
€1,663 EUR
View
B+
Retailer 12
-
€1,705 EUR
View
B+
Retailer 13
-
€2,007 EUR
View
B
Retailer 14
-
€2,588 EUR
View
Most Expensive
B
NZ Jewellers
8d72a1a1-e430-49cc-912d-d0342c4139db · Nov 5
€3,604 EUR
$4,045 USD
View
14 more retailers have this diamond
Prices start from €1,099 EURSave up to €2,504 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
€1,099 EUR