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Marquise|Natural|GIA

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6551370864

Certificate GIA 6551370864

Diamond specifications and retailer prices

From €2,757 EUR
SGD 4,178 SGD
As of October 31, 2026
Save €2,931 EUR (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €5,687 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551370864. Listed at 10 retailers as of October 27, 2026, with prices from €2,757 to €5,687, a €2,931 spread on the same certified stone. Wholesale Diamonds Direct lists it at €5,687. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.06°
Pavilion angle38.76°
OriginNatural
Grading LabGIA
CertificateGIA 6551370864
Dimensions11.46 × 6.06 × 3.69 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.46 mm6.06 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551370864
Side View
Table 58.0%Crown 38.06°Girdle: MED-THKPavilion 38.76°Culet: NoneDepth 61.0%

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: Oct 31
Current: €4,041 EUR|Low: €2,757 EUR|High: €6,386 EUR|Avg: €4,059 EUR|-13.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 2, 2026
Retailer 6€2,757 EUR
Retailer 3€2,769 EUR
Retailer 4€3,129 EUR
Retailer 10€3,293 EUR
Retailer 5€3,343 EUR
Retailer 9€3,416 EUR
Retailer 7€3,973 EUR
Retailer 8€4,012 EUR
Retailer 1€4,041 EUR
Retailer 2€4,288 EUR
Retailer 11€5,388 EUR
Wholesale Diamonds Direct€5,687 EUR

30 data points across 12 retailers

10 retailers€2,757 EUR to €5,687 EUR

A
Cheapest Retailer
-
€2,757 EUR
SGD 4,178 SGD
A
Retailer 2
-
€3,129 EUR
$3,510 USD
View
A
Retailer 3
-
€3,293 EUR
$3,694 USD
View
A
Retailer 4
-
€3,343 EUR
$3,750 USD
View
A
Retailer 5
-
€3,416 EUR
SGD 5,178 SGD
View
A
Retailer 6
-
€3,973 EUR
$4,456 USD
View
A
Retailer 7
-
€4,012 EUR
$4,499 USD
View
A
Retailer 8
-
€4,041 EUR
View
B+
Retailer 9
-
€4,288 EUR
$4,810 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936432 · Oct 27
€5,687 EUR
$6,379 USD
View
9 more retailers have this diamond
Prices start from €2,757 EURSave up to €2,931 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
€2,757 EUR