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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2556189473

Certificate GIA 2556189473

Diamond specifications and retailer prices

From €5,703 EUR
SGD 8,610 SGD
As of November 1, 2026
Save €1,893 EUR (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €7,596 EUR at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded D 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 2556189473. Listed at 9 retailers as of November 1, 2026, with prices from €5,703 to €7,596, a €1,893 spread on the same certified stone. The Diamond Guys lists it at €7,596. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38.25°
OriginNatural
Grading LabGIA
CertificateGIA 2556189473
Dimensions11.31 × 5.98 × 3.69 mm
L/W Ratio1.89
Top View
11.31 mm5.98 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556189473
Side View
Table 59.0%Crown 39.8°Girdle: STK-THKPavilion 38.25°Culet: NoneDepth 61.8%

Caratlytics Score

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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 1
Current: €6,293 EUR|Low: €5,703 EUR|High: €7,930 EUR|Avg: €6,666 EUR|-8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4€5,703 EUR
Retailer 3€5,862 EUR
Retailer 5€5,937 EUR
Retailer 8€6,118 EUR
Retailer 1€6,293 EUR
Retailer 2€6,373 EUR
Retailer 7€7,127 EUR
Retailer 6€7,300 EUR
Retailer 9€7,545 EUR

43 data points across 9 retailers

9 retailers€5,703 EUR to €7,596 EUR

A
Cheapest Retailer
-
€5,703 EUR
SGD 8,610 SGD
A
Retailer 2
-
€5,862 EUR
$6,549 USD
View
A
Retailer 3
-
€5,937 EUR
SGD 8,963 SGD
View
A
Retailer 4
-
€6,118 EUR
$6,835 USD
View
A
Retailer 5
-
€6,293 EUR
£5,536 GBP
View
A
Retailer 6
-
€6,373 EUR
$7,120 USD
View
A
Retailer 7
-
€7,127 EUR
$7,963 USD
View
A
Retailer 8
-
€7,300 EUR
$8,155 USD
View
Most Expensive
A
The Diamond Guys
1955282050 · Nov 2
€7,596 EUR
$8,486 USD
View
8 more retailers have this diamond
Prices start from €5,703 EURSave up to €1,893 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
€5,703 EUR