Marquise|Natural|GIA

1.51ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 2556766915

Certificate GIA 2556766915

Diamond specifications and retailer prices

From £6,665 GBP
As of November 4, 2026
Save £5,307 GBP (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £11,972 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556766915. Listed at 18 retailers as of November 3, 2026, with prices from £6,665 to £11,972, a £5,307 spread on the same certified stone. NZ Jewellers lists it at £11,972. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556766915
Dimensions11.53 × 6.01 × 3.76 mm
L/W Ratio1.92
Culet sizeNone
Top View
11.53 mm6.01 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556766915
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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: £8,504 GBP|Low: £7,182 GBP|High: £11,352 GBP|Avg: £8,720 GBP|+6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8£7,182 GBP
Retailer 7£7,898 GBP
Retailer 9£7,901 GBP
Retailer 2£7,966 GBP
Retailer 6£8,236 GBP
Retailer 1£8,504 GBP
Retailer 3£9,012 GBP
Retailer 5£10,552 GBP
Retailer 4£11,218 GBP

39 data points across 9 retailers

18 retailers£6,665 GBP to £11,972 GBP

A
Cheapest Retailer
-
£6,665 GBP
A
Retailer 2
-
£7,112 GBP
View
Retailer 3
-
£7,183 GBP
View
Price last confirmed 22 days ago
A
Retailer 4
-
£7,242 GBP
View
A
Retailer 5
-
£7,781 GBP
View
Retailer 6
-
£7,898 GBP
View
Price last confirmed 16 days ago
B+
Retailer 7
-
£7,901 GBP
View
A
Retailer 8
-
£7,966 GBP
View
B+
Retailer 9
-
£8,236 GBP
View
B+
Retailer 10
-
£8,504 GBP
View
B+
Retailer 11
-
£8,566 GBP
View
B+
Retailer 12
-
£8,607 GBP
View
B+
Retailer 13
-
£8,979 GBP
View
B+
Retailer 14
-
£9,012 GBP
View
Retailer 15
-
£9,452 GBP
View
Price last confirmed 15 days ago
B
Retailer 16
-
£10,552 GBP
View
B+
Retailer 17
-
£11,218 GBP
View
Most Expensive
B
NZ Jewellers
bae19ddd-3314-44e8-8d97-602b7e39246c · Nov 3
£11,972 GBP
$16,024 USD
View
17 more retailers have this diamond
Prices start from £6,665 GBPSave up to £5,307 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
1.51ct Marquise
£6,665 GBP