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Marquise|Natural|GIA

1.20ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 6542707387

Certificate GIA 6542707387

Diamond specifications and retailer prices

From €2,064 EUR
As of November 5, 2026
Save €3,206 EUR (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,270 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542707387. Listed at 14 retailers as of November 5, 2026, with prices from €2,064 to €5,270, a €3,206 spread on the same certified stone. NZ Jewellers lists it at €5,270. 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

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle37.15°
Pavilion angle39.09°
OriginNatural
Grading LabGIA
CertificateGIA 6542707387
Dimensions10.60 × 5.57 × 3.44 mm
L/W Ratio1.90
Top View
10.60 mm5.57 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6542707387
Side View
Table 58.0%Crown 37.15°Girdle: STK-THKPavilion 39.09°Culet: NoneDepth 61.8%

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 5
Current: €5,270 EUR|Low: €2,064 EUR|High: €5,270 EUR|Avg: €2,838 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
November 6, 2026
Retailer 6€2,064 EUR
Retailer 14€2,262 EUR
Retailer 3€2,284 EUR
Retailer 4€2,284 EUR
Retailer 12€2,390 EUR
Retailer 2€2,445 EUR
Retailer 9€2,533 EUR
Retailer 5€2,553 EUR
Retailer 13€2,635 EUR
Retailer 8€2,652 EUR
Retailer 7€2,934 EUR
Retailer 10€3,077 EUR
Retailer 11€4,404 EUR
NZ Jewellers€5,270 EUR

28 data points across 14 retailers

14 retailers€2,064 EUR to €5,270 EUR

A
Cheapest Retailer
-
€2,064 EUR
B+
Retailer 2
-
€2,262 EUR
View
Retailer 3
-
€2,284 EUR
View
Price last confirmed 26 days ago
B+
Retailer 4
-
€2,284 EUR
View
B+
Retailer 5
-
€2,390 EUR
View
B+
Retailer 6
-
€2,445 EUR
View
B+
Retailer 7
-
€2,533 EUR
View
B+
Retailer 8
-
€2,553 EUR
View
B+
Retailer 9
-
€2,635 EUR
View
B+
Retailer 10
-
€2,652 EUR
View
B
Retailer 11
-
€2,934 EUR
View
B
Retailer 12
-
€3,077 EUR
View
B
Retailer 13
-
€4,404 EUR
View
Most Expensive
C
NZ Jewellers
fcd1d8e7-efd8-4cc6-a80c-c6ef134f29a9 · Nov 5
€5,270 EUR
$5,884 USD
View
13 more retailers have this diamond
Prices start from €2,064 EURSave up to €3,206 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
1.20ct Marquise
€2,064 EUR