Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 6421787418

Certificate GIA 6421787418

Diamond specifications and retailer prices

From €6,618 EUR
As of November 6, 2026
Save €6,026 EUR (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €12,644 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct 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 6421787418. Listed at 14 retailers as of November 5, 2026, with prices from €6,618 to €12,644, a €6,026 spread on the same certified stone. NZ Jewellers lists it at €12,644. 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

1.50
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421787418
Dimensions10.83 × 6.18 × 3.79 mm
L/W Ratio1.75
Top View
10.83 mm6.18 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421787418
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: Very SmallDepth 61.2%

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: Nov 6
Current: €12,644 EUR|Low: €6,618 EUR|High: €12,644 EUR|Avg: €9,282 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 4€6,618 EUR
Retailer 14€7,103 EUR
Retailer 3€7,586 EUR
Retailer 13€7,586 EUR
Retailer 9€7,650 EUR
Retailer 6€8,086 EUR
Retailer 8€8,193 EUR
Retailer 12€8,219 EUR
Retailer 11€8,345 EUR
Retailer 15€9,483 EUR
Retailer 2€9,505 EUR
Retailer 5€9,988 EUR
Retailer 7€11,039 EUR
Retailer 10€11,816 EUR
NZ Jewellers€12,644 EUR

37 data points across 15 retailers

14 retailers€6,618 EUR to €12,644 EUR

A
Cheapest Retailer
-
€6,618 EUR
A
Retailer 2
-
€7,103 EUR
View
B+
Retailer 3
-
€7,586 EUR
View
Final sale: no returns
B+
Retailer 4
-
€7,650 EUR
View
B+
Retailer 5
-
€8,086 EUR
View
B+
Retailer 6
-
€8,193 EUR
View
B+
Retailer 7
-
€8,219 EUR
View
B+
Retailer 8
-
€8,345 EUR
View
B
Retailer 9
-
€9,483 EUR
View
Retailer 10
-
€9,483 EUR
View
Price last confirmed 46 days ago
B+
Retailer 11
-
€9,505 EUR
View
Retailer 12
-
€9,988 EUR
View
Price last confirmed 32 days ago
B
Retailer 13
-
€11,816 EUR
View
Most Expensive
B
NZ Jewellers
2c005af1-3789-47d6-b397-86e7dec1092e · Nov 5
€12,644 EUR
$14,117 USD
View
13 more retailers have this diamond
Prices start from €6,618 EURSave up to €6,026 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
1.50ct Marquise
€6,618 EUR