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Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 7558552319

Certificate GIA 7558552319

Diamond specifications and retailer prices

From £5,281 GBP
As of November 6, 2026
Save £6,486 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £11,768 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 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 7558552319. Listed at 16 retailers as of November 5, 2026, with prices from £5,281 to £11,768, a £6,486 spread on the same certified stone. NZ Jewellers lists it at £11,768. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7558552319
Dimensions10.95 × 5.95 × 3.80 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Needle, Indented Natural
Top View
10.95 mm5.95 mm1.50 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7558552319
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.9%

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 6
Current: £11,768 GBP|Low: £4,581 GBP|High: £12,534 GBP|Avg: £6,923 GBP|-6.1%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 15£4,581 GBP
Retailer 9£4,827 GBP
Retailer 14£5,178 GBP
Retailer 17£5,281 GBP
Retailer 11£5,578 GBP
Retailer 7£5,762 GBP
Retailer 18£5,835 GBP
Retailer 2£6,119 GBP
Retailer 6£6,119 GBP
Retailer 16£6,567 GBP
Retailer 13£6,590 GBP
Retailer 19£6,634 GBP
Retailer 8£6,825 GBP
Retailer 4£7,053 GBP
Retailer 21£7,053 GBP
Retailer 5£7,196 GBP
Retailer 22£7,284 GBP
Retailer 12£7,353 GBP
Retailer 3£7,656 GBP
Retailer 10£8,326 GBP
Retailer 20£9,779 GBP
NZ Jewellers£11,768 GBP

12 data points across 22 retailers

16 retailers£5,281 GBP to £11,768 GBP

A
Cheapest Retailer
-
£5,281 GBP
A
Retailer 2
-
£5,762 GBP
View
A
Retailer 3
-
£5,835 GBP
View
A
Retailer 4
-
£6,119 GBP
View
B+
Retailer 5
-
£6,119 GBP
View
B+
Retailer 6
-
£6,567 GBP
View
B+
Retailer 7
-
£6,590 GBP
View
B+
Retailer 8
-
£6,634 GBP
View
B+
Retailer 9
-
£6,825 GBP
View
B+
Retailer 10
-
£7,053 GBP
View
B+
Retailer 11
-
£7,053 GBP
View
B+
Retailer 12
-
£7,196 GBP
View
B+
Retailer 13
-
£7,284 GBP
View
B+
Retailer 14
-
£7,656 GBP
View
B
Retailer 15
-
£9,779 GBP
View
Most Expensive
B
NZ Jewellers
9c101c65-2933-453c-9ca1-9abffc13813b · Nov 5
£11,768 GBP
$15,751 USD
View
15 more retailers have this diamond
Prices start from £5,281 GBPSave up to £6,486 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
£5,281 GBP