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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1186263478

Certificate GIA 1186263478

Diamond specifications and retailer prices

From €7,718 EUR
$8,657 USD
As of November 1, 2026
Save €6,190 EUR (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €13,909 EUR at NZ Jewellers · As of November 3, 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 G 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 1186263478. Listed at 14 retailers as of November 1, 2026, with prices from €7,718 to €13,909, a €6,190 spread on the same certified stone. NZ Jewellers lists it at €13,909. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1186263478
Dimensions10.65 × 6.09 × 3.81 mm
L/W Ratio1.75
Culet sizeSmall
Top View
10.65 mm6.09 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1186263478
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: SmallDepth 62.5%

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 1
Current: €13,909 EUR|Low: €8,345 EUR|High: €13,909 EUR|Avg: €10,443 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 7€8,345 EUR
Retailer 3€8,415 EUR
Retailer 8€9,041 EUR
Retailer 2€9,133 EUR
Retailer 6€9,180 EUR
Retailer 4€10,019 EUR
Retailer 9€10,431 EUR
Retailer 10€10,982 EUR
Retailer 11€11,987 EUR
Retailer 5€13,033 EUR
NZ Jewellers€13,909 EUR

42 data points across 11 retailers

14 retailers€7,718 EUR to €13,909 EUR

B+
Cheapest Retailer
-
€7,718 EUR
$8,657 USD
B+
Retailer 2
-
€7,813 EUR
$8,763 USD
View
B+
Retailer 3
-
€8,092 EUR
CA$12,606 CAD
View
B+
Retailer 4
-
€8,345 EUR
$9,360 USD
View
B+
Retailer 5
-
€8,415 EUR
$9,438 USD
View
B+
Retailer 6
-
€9,041 EUR
$10,140 USD
View
B+
Retailer 7
-
€9,133 EUR
£8,066 GBP
View
B+
Retailer 8
-
€9,180 EUR
$10,296 USD
View
B
Retailer 9
-
€9,620 EUR
$10,790 USD
View
B
Retailer 10
-
€10,019 EUR
View
B
Retailer 11
-
€10,431 EUR
$11,700 USD
View
Retailer 12
-
€10,982 EUR
$12,318 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
€13,033 EUR
£11,510 GBP
View
Most Expensive
B
NZ Jewellers
820b5d22-e9e2-4532-819b-2b1403d0e7c4 · Nov 3
€13,909 EUR
$15,600 USD
View
13 more retailers have this diamond
Prices start from €7,718 EURSave up to €6,190 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
€7,718 EUR