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Marquise|Natural|GIA

1.51ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6552134886

Certificate GIA 6552134886

Diamond specifications and retailer prices

From €4,492 EUR
As of November 5, 2026
Save €5,572 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €10,064 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two 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 6552134886. Listed at 11 retailers as of November 5, 2026, with prices from €4,492 to €10,064, a €5,572 spread on the same certified stone. NZ Jewellers lists it at €10,064. 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

1.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.25°
Pavilion angle37.96°
OriginNatural
Grading LabGIA
CertificateGIA 6552134886
Dimensions11.43 × 6.00 × 3.62 mm
L/W Ratio1.91
Top View
11.43 mm6.00 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552134886
Side View
Table 60.0%Crown 39.25°Girdle: MED-THKPavilion 37.96°Culet: NoneDepth 60.3%

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: €10,064 EUR|Low: €4,477 EUR|High: €10,064 EUR|Avg: €6,687 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6€4,978 EUR
Retailer 7€5,734 EUR
Retailer 4€5,770 EUR
Retailer 2€5,805 EUR
Retailer 3€6,239 EUR
Retailer 5€8,841 EUR
NZ Jewellers€10,064 EUR

43 data points across 7 retailers

11 retailers€4,492 EUR to €10,064 EUR

A
Cheapest Retailer
-
€4,492 EUR
B+
Retailer 2
-
€4,978 EUR
View
B+
Retailer 3
-
€5,204 EUR
View
B+
Retailer 4
-
€5,604 EUR
View
B+
Retailer 5
-
€5,734 EUR
View
B+
Retailer 6
-
€5,770 EUR
View
B
Retailer 7
-
€5,805 EUR
View
B
Retailer 8
-
€6,239 EUR
View
B
Retailer 9
-
€8,807 EUR
View
B
Retailer 10
-
€8,841 EUR
View
Most Expensive
B
NZ Jewellers
fd4a4456-929f-49f5-a6ea-2318e72cb3b8 · Nov 5
€10,064 EUR
$11,236 USD
View
10 more retailers have this diamond
Prices start from €4,492 EURSave up to €5,572 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
1.51ct Marquise
€4,492 EUR