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Marquise|Natural|GIA

1.50ct F SI2 Marquise Natural Diamond

ID • F/SI2 • GIA 2566015389

Certificate GIA 2566015389

Diamond specifications and retailer prices

From £5,277 GBP
$7,082 USD
As of November 1, 2026
Save £7,071 GBP (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £12,349 GBP at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566015389. Listed at 24 retailers as of October 30, 2026, with prices from £5,277 to £12,349, a £7,071 spread on the same certified stone. NZ Jewellers lists it at £12,349. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.3°
Pavilion angle36.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566015389
Dimensions10.97 × 5.94 × 3.86 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizeNone
Top View
10.97 mm5.94 mm1.50 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566015389
Side View
Table 62.0%Crown 39.3°Girdle: THN-VTKPavilion 36.8°Culet: NoneDepth 65.0%

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 1
Current: £12,349 GBP|Low: £5,277 GBP|High: £12,349 GBP|Avg: £7,076 GBP|+16.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 2, 2026
Retailer 17£5,277 GBP
Retailer 16£5,459 GBP
Retailer 14£5,494 GBP
Retailer 21£5,577 GBP
Retailer 18£5,754 GBP
Retailer 10£5,769 GBP
Retailer 8£5,781 GBP
Retailer 9£5,900 GBP
Retailer 11£6,174 GBP
Retailer 15£6,174 GBP
Retailer 25£6,349 GBP
Retailer 7£6,689 GBP
Retailer 12£6,792 GBP
Retailer 19£6,840 GBP
Retailer 6£6,887 GBP
Retailer 2£6,956 GBP
Retailer 5£7,310 GBP
Retailer 23£7,310 GBP
Retailer 24£7,556 GBP
Retailer 13£7,666 GBP
Retailer 4£7,718 GBP
Retailer 3£7,962 GBP
Retailer 22£8,128 GBP
Retailer 20£10,289 GBP
NZ Jewellers£12,349 GBP

23 data points across 25 retailers

24 retailers£5,277 GBP to £12,349 GBP

A
Cheapest Retailer
-
£5,277 GBP
$7,082 USD
A
Retailer 2
-
£5,459 GBP
$7,325 USD
View
A
Retailer 3
-
£5,494 GBP
HK$57,600 HKD
View
A
Retailer 4
-
£5,577 GBP
$7,484 USD
View
A
Retailer 5
-
£5,769 GBP
A$11,911 AUD
View
A
Retailer 6
-
£5,781 GBP
$7,758 USD
View
A
Retailer 7
-
£5,900 GBP
$7,918 USD
View
A
Retailer 8
-
£6,174 GBP
$8,285 USD
View
B+
Retailer 9
-
£6,174 GBP
$8,285 USD
View
Final sale: no returns
B+
Retailer 10
-
£6,349 GBP
$8,520 USD
View
B+
Retailer 11
-
£6,689 GBP
$8,976 USD
View
B+
Retailer 12
-
£6,792 GBP
$9,114 USD
View
B+
Retailer 13
-
£6,840 GBP
View
B+
Retailer 14
-
£6,887 GBP
$9,242 USD
View
B+
Retailer 15
-
£6,956 GBP
View
B+
Retailer 16
-
£7,310 GBP
$9,810 USD
View
B+
Retailer 17
-
£7,310 GBP
$9,810 USD
View
B+
Retailer 18
-
£7,315 GBP
$9,816 USD
View
B+
Retailer 19
-
£7,556 GBP
$10,140 USD
View
B+
Retailer 20
-
£7,666 GBP
€9,798 EUR
View
B+
Retailer 21
-
£7,718 GBP
$10,357 USD
View
B
Retailer 22
-
£7,962 GBP
$10,684 USD
View
B
Retailer 23
-
£10,289 GBP
View
Most Expensive
B
NZ Jewellers
40affa8c-a513-4786-9db4-ee7f3295df32 · Oct 30
£12,349 GBP
$16,571 USD
View
23 more retailers have this diamond
Prices start from £5,277 GBPSave up to £7,071 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
£5,277 GBP