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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

VG • D/SI1 • GIA 5241057376

Certificate GIA 5241057376

Diamond specifications and retailer prices

From £7,009 GBP
As of November 4, 2026
Save £5,554 GBP (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £12,563 GBP at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5241057376. Listed at 16 retailers as of November 4, 2026, with prices from £7,009 to £12,563, a £5,554 spread on the same certified stone. With Clarity lists it at £12,563. 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
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.12°
Pavilion angle40.38°
OriginNatural
Grading LabGIA
CertificateGIA 5241057376
Dimensions10.88 × 5.88 × 3.86 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.88 mm5.88 mm1.50 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241057376
Side View
Table 56.0%Crown 38.12°Girdle: MED-VTKPavilion 40.38°Culet: NoneDepth 65.7%

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 4
Current: £7,749 GBP|Low: £7,009 GBP|High: £12,947 GBP|Avg: £8,770 GBP|-3.0%
Retailer 1
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
With Clarity
November 6, 2026
Retailer 6£7,009 GBP
Retailer 15£7,358 GBP
Retailer 14£7,471 GBP
Retailer 7£7,520 GBP
Retailer 13£7,608 GBP
Retailer 11£7,708 GBP
Retailer 10£7,745 GBP
Retailer 1£7,749 GBP
Retailer 12£7,762 GBP
Retailer 9£8,914 GBP
Retailer 3£8,930 GBP
Retailer 4£9,017 GBP
Retailer 2£9,254 GBP
Retailer 8£10,333 GBP
Retailer 5£11,015 GBP
With Clarity£12,563 GBP

24 data points across 16 retailers

16 retailers£7,009 GBP to £12,563 GBP

A
Cheapest Retailer
-
£7,009 GBP
A
Retailer 2
-
£7,358 GBP
View
A
Retailer 3
-
£7,471 GBP
View
A
Retailer 4
-
£7,520 GBP
View
B+
Retailer 5
-
£7,608 GBP
View
B+
Retailer 6
-
£7,708 GBP
View
B+
Retailer 7
-
£7,745 GBP
View
B+
Retailer 8
-
£7,749 GBP
View
B+
Retailer 9
-
£7,762 GBP
View
B+
Retailer 10
-
£8,914 GBP
View
B+
Retailer 11
-
£8,930 GBP
View
B+
Retailer 12
-
£9,017 GBP
View
B+
Retailer 13
-
£9,254 GBP
View
B+
Retailer 14
-
£10,333 GBP
View
B
Retailer 15
-
£11,015 GBP
View
Most Expensive
B
With Clarity
5241057376 · Nov 6
£12,563 GBP
$16,815 USD
View
15 more retailers have this diamond
Prices start from £7,009 GBPSave up to £5,554 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
£7,009 GBP