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Marquise|Natural|GIA

1.51ct M SI2 Marquise Natural Diamond

EX • M/SI2 • GIA 6522134054

Certificate GIA 6522134054

Diamond specifications and retailer prices

From €2,871 EUR
As of November 4, 2026
Save €3,584 EUR (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,455 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 M 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 6522134054. Listed at 10 retailers as of November 4, 2026, with prices from €2,871 to €6,455, a €3,584 spread on the same certified stone. NZ Jewellers lists it at €6,455. 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
M
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.72°
Pavilion angle39.79°
OriginNatural
Grading LabGIA
CertificateGIA 6522134054
Dimensions11.57 × 6.12 × 3.74 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.57 mm6.12 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6522134054
Side View
Table 57.0%Crown 34.72°Girdle: THN-THKPavilion 39.79°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €6,455 EUR|Low: €2,423 EUR|High: €6,455 EUR|Avg: €3,634 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
November 6, 2026
Retailer 4€2,423 EUR
Retailer 5€2,871 EUR
Retailer 8€2,873 EUR
Retailer 3€2,980 EUR
Retailer 7€3,357 EUR
Retailer 9€3,357 EUR
Retailer 6€3,486 EUR
Retailer 12€3,530 EUR
Retailer 10€3,873 EUR
Retailer 2€3,929 EUR
Retailer 11€4,408 EUR
NZ Jewellers€6,455 EUR

20 data points across 12 retailers

10 retailers€2,871 EUR to €6,455 EUR

B+
Cheapest Retailer
-
€2,871 EUR
B+
Retailer 2
-
€2,873 EUR
View
B+
Retailer 3
-
€2,980 EUR
View
Retailer 4
-
€3,357 EUR
View
Price last confirmed 8 days ago
B
Retailer 5
-
€3,357 EUR
View
B
Retailer 6
-
€3,486 EUR
View
B
Retailer 7
-
€3,530 EUR
View
B
Retailer 8
-
€3,873 EUR
View
B
Retailer 9
-
€3,929 EUR
View
Most Expensive
C
NZ Jewellers
5b1ab9ef-ea8d-46d9-8710-81a354d94ae7 · Nov 5
€6,455 EUR
$7,207 USD
View
9 more retailers have this diamond
Prices start from €2,871 EURSave up to €3,584 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.

B+
1.51ct Marquise
€2,871 EUR