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Marquise|Natural|GIA

1.51ct I IF Marquise Natural Diamond

EX • I/IF • GIA 2231985790

Certificate GIA 2231985790

Diamond specifications and retailer prices

From €7,349 EUR
HK$64,400 HKD
As of November 1, 2026
Save €6,615 EUR (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €13,965 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231985790. Listed at 8 retailers as of October 30, 2026, with prices from €7,349 to €13,965, a €6,615 spread on the same certified stone. NZ Jewellers lists it at €13,965. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.95°
OriginNatural
Grading LabGIA
CertificateGIA 2231985790
Dimensions11.64 × 6.01 × 3.71 mm
L/W Ratio1.94
Top View
11.64 mm6.01 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231985790
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.95°Culet: NoneDepth 61.8%

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: Nov 1
Current: €13,965 EUR|Low: €7,349 EUR|High: €14,981 EUR|Avg: €10,826 EUR|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5€7,349 EUR
Retailer 7€8,538 EUR
Retailer 4€10,020 EUR
Retailer 8€10,216 EUR
Retailer 2€10,439 EUR
Retailer 6€10,464 EUR
Retailer 3€13,086 EUR
NZ Jewellers€13,965 EUR

28 data points across 8 retailers

8 retailers€7,349 EUR to €13,965 EUR

A
Cheapest Retailer
-
€7,349 EUR
HK$64,400 HKD
Retailer 2
-
€8,538 EUR
SGD 12,941 SGD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
€10,020 EUR
$11,238 USD
View
B+
Retailer 4
-
€10,216 EUR
A$17,628 AUD
View
B+
Retailer 5
-
€10,439 EUR
View
B+
Retailer 6
-
€10,464 EUR
$11,736 USD
View
B+
Retailer 7
-
€13,086 EUR
£11,557 GBP
View
Most Expensive
B
NZ Jewellers
72414caf-c9d6-4b4f-a3c7-88b33600917d · Oct 30
€13,965 EUR
$15,663 USD
View
7 more retailers have this diamond
Prices start from €7,349 EURSave up to €6,615 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
€7,349 EUR