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Marquise|Natural|GIA

1.51ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 5546282913

Certificate GIA 5546282913

Diamond specifications and retailer prices

From €4,303 EUR
As of November 6, 2026
Save €3,704 EUR (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €8,007 EUR at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546282913. Listed at 8 retailers as of November 3, 2026, with prices from €4,303 to €8,007, a €3,704 spread on the same certified stone. NZ Jewellers lists it at €8,007. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.51°
Pavilion angle39.18°
OriginNatural
Grading LabGIA
CertificateGIA 5546282913
Dimensions13.01 × 5.36 × 3.51 mm
L/W Ratio2.43
Top View
13.01 mm5.36 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546282913
Side View
Table 64.0%Crown 43.51°GirdlePavilion 39.18°CuletDepth 65.5%

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: €8,007 EUR|Low: €4,303 EUR|High: €8,344 EUR|Avg: €5,571 EUR|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5€4,303 EUR
Retailer 4€4,487 EUR
Retailer 6€4,666 EUR
Retailer 2€4,669 EUR
Retailer 7€4,787 EUR
Retailer 8€4,787 EUR
Retailer 9€5,605 EUR
Retailer 10€5,789 EUR
Retailer 3€7,626 EUR
NZ Jewellers€8,007 EUR

30 data points across 10 retailers

8 retailers€4,303 EUR to €8,007 EUR

A
Cheapest Retailer
-
€4,303 EUR
B+
Retailer 2
-
€4,487 EUR
View
B+
Retailer 3
-
€4,666 EUR
View
B+
Retailer 4
-
€4,669 EUR
View
B+
Retailer 5
-
€4,787 EUR
View
B+
Retailer 6
-
€4,787 EUR
View
B
Retailer 7
-
€7,626 EUR
View
Most Expensive
B
NZ Jewellers
74969bda-97c9-4678-ad62-e5392926a5e0 · Nov 3
€8,007 EUR
$8,940 USD
View
7 more retailers have this diamond
Prices start from €4,303 EURSave up to €3,704 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
€4,303 EUR