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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 6551704674

Certificate GIA 6551704674

Diamond specifications and retailer prices

From €6,099 EUR
£5,386 GBP
As of October 31, 2026
Save €5,643 EUR (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €11,741 EUR at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551704674. Listed at 8 retailers as of October 30, 2026, with prices from €6,099 to €11,741, a €5,643 spread on the same certified stone. NZ Jewellers lists it at €11,741. 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
E
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551704674
Dimensions10.50 × 5.91 × 3.95 mm
L/W Ratio1.78
Top View
10.50 mm5.91 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551704674
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.8%

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: Oct 31
Current: €11,741 EUR|Low: €6,062 EUR|High: €11,882 EUR|Avg: €7,218 EUR|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2€6,099 EUR
Retailer 7€6,150 EUR
Retailer 8€6,250 EUR
Retailer 3€6,635 EUR
Retailer 5€7,020 EUR
Retailer 4€7,128 EUR
Retailer 6€9,836 EUR
NZ Jewellers€11,741 EUR

36 data points across 8 retailers

8 retailers€6,099 EUR to €11,741 EUR

A
Cheapest Retailer
-
€6,099 EUR
£5,386 GBP
A
Retailer 2
-
€6,150 EUR
$6,898 USD
View
A
Retailer 3
-
€6,250 EUR
$7,010 USD
View
A
Retailer 4
-
€6,635 EUR
£5,860 GBP
View
A
Retailer 5
-
€7,020 EUR
$7,874 USD
View
A
Retailer 6
-
€7,128 EUR
$7,995 USD
View
B+
Retailer 7
-
€9,836 EUR
£8,687 GBP
View
Most Expensive
B
NZ Jewellers
35a4231b-b749-454d-af27-01c6914e6792 · Oct 30
€11,741 EUR
$13,169 USD
View
7 more retailers have this diamond
Prices start from €6,099 EURSave up to €5,643 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
€6,099 EUR