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Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

VG • G/SI2 • GIA 6555304090

Certificate GIA 6555304090

Diamond specifications and retailer prices

From £6,164 GBP
As of November 4, 2026
Save £4,808 GBP (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £10,973 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 6555304090. Listed at 13 retailers as of November 4, 2026, with prices from £6,164 to £10,973, a £4,808 spread on the same certified stone. NZ Jewellers lists it at £10,973. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
G
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.94°
Pavilion angle38.26°
OriginNatural
Grading LabGIA
CertificateGIA 6555304090
Dimensions10.95 × 5.91 × 3.67 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.95 mm5.91 mm1.50 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555304090
Side View
Table 61.0%Crown 42.94°Girdle: MED-VTKPavilion 38.26°Culet: NoneDepth 62.1%

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 4
Current: £10,973 GBP|Low: £6,584 GBP|High: £10,973 GBP|Avg: £8,432 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8£6,584 GBP
Retailer 4£7,128 GBP
Retailer 9£7,133 GBP
Retailer 7£7,242 GBP
Retailer 2£7,585 GBP
Retailer 10£8,229 GBP
Retailer 6£8,262 GBP
Retailer 11£8,666 GBP
Retailer 3£9,384 GBP
Retailer 5£10,255 GBP
NZ Jewellers£10,973 GBP

41 data points across 11 retailers

13 retailers£6,164 GBP to £10,973 GBP

B+
Cheapest Retailer
-
£6,164 GBP
Retailer 2
-
£6,584 GBP
View
Price last confirmed 22 days ago
B+
Retailer 3
-
£6,639 GBP
View
B+
Retailer 4
-
£7,018 GBP
View
B+
Retailer 5
-
£7,128 GBP
View
B+
Retailer 6
-
£7,133 GBP
View
B+
Retailer 7
-
£7,242 GBP
View
B+
Retailer 8
-
£7,585 GBP
View
B
Retailer 9
-
£8,229 GBP
View
B
Retailer 10
-
£8,262 GBP
View
Retailer 11
-
£8,666 GBP
View
Price last confirmed 15 days ago
B
Retailer 12
-
£10,255 GBP
View
Most Expensive
B
NZ Jewellers
fb4c5e05-18ff-45e3-a735-a50a4ea6d06c · Nov 5
£10,973 GBP
$14,687 USD
View
12 more retailers have this diamond
Prices start from £6,164 GBPSave up to £4,808 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.

B+
1.50ct Marquise
£6,164 GBP