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Marquise|Natural|GIA

1.50ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6562186581

Certificate GIA 6562186581

Diamond specifications and retailer prices

From £3,077 GBP
As of November 6, 2026
Save £3,405 GBP (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,482 GBP 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562186581. Listed at 16 retailers as of November 5, 2026, with prices from £3,077 to £6,482, a £3,405 spread on the same certified stone. NZ Jewellers lists it at £6,482. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6562186581
Dimensions11.72 × 5.84 × 3.64 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle, Indented Natural
Top View
11.72 mm5.84 mm1.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562186581
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.3%

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: £6,482 GBP|Low: £3,077 GBP|High: £6,482 GBP|Avg: £4,186 GBP|+2.5%
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 2£3,077 GBP
Retailer 12£3,279 GBP
Retailer 7£3,321 GBP
Retailer 14£3,380 GBP
Retailer 6£3,769 GBP
Retailer 5£3,781 GBP
Retailer 11£3,807 GBP
Retailer 8£3,862 GBP
Retailer 3£3,875 GBP
Retailer 13£3,875 GBP
Retailer 9£3,989 GBP
Retailer 10£4,362 GBP
Retailer 4£4,471 GBP
Retailer 15£6,155 GBP
NZ Jewellers£6,482 GBP

24 data points across 15 retailers

16 retailers£3,077 GBP to £6,482 GBP

A
Cheapest Retailer
-
£3,077 GBP
B+
Retailer 2
-
£3,279 GBP
View
A
Retailer 3
-
£3,321 GBP
View
B+
Retailer 4
-
£3,380 GBP
View
B+
Retailer 5
-
£3,769 GBP
View
Retailer 6
-
£3,778 GBP
View
Price last confirmed 15 days ago
Retailer 7
-
£3,781 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£3,807 GBP
View
B+
Retailer 9
-
£3,862 GBP
View
B+
Retailer 10
-
£3,875 GBP
View
B+
Retailer 11
-
£3,875 GBP
View
B+
Retailer 12
-
£3,989 GBP
View
B+
Retailer 13
-
£4,362 GBP
View
B+
Retailer 14
-
£4,471 GBP
View
B
Retailer 15
-
£6,155 GBP
View
Most Expensive
B
NZ Jewellers
f3b04fbd-2acf-46ae-868e-8014543e23de · Nov 5
£6,482 GBP
$8,676 USD
View
15 more retailers have this diamond
Prices start from £3,077 GBPSave up to £3,405 GBP

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
£3,077 GBP