Marquise|Natural|GIA

1.00ct H VS1 Marquise Natural Diamond

EX • H/VS1 • GIA 1559984744

Certificate GIA 1559984744

Diamond specifications and retailer prices

From £2,908 GBP
As of November 5, 2026
Save £2,265 GBP (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,173 GBP at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H 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 1559984744. Listed at 16 retailers as of November 4, 2026, with prices from £2,908 to £5,173, a £2,265 spread on the same certified stone. Helzberg Diamonds lists it at £5,173. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.15°
Pavilion angle41.59°
OriginNatural
Grading LabGIA
CertificateGIA 1559984744
Dimensions9.89 × 5.22 × 3.28 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.89 mm5.22 mm1.00 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559984744
Side View
Table 60.0%Crown 37.15°Girdle: THN-THKPavilion 41.59°Culet: NoneDepth 62.8%

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 5
Current: £5,173 GBP|Low: £2,908 GBP|High: £5,278 GBP|Avg: £3,746 GBP|-2.0%
Helzberg Diamonds
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
November 5, 2026
Retailer 3£2,908 GBP
Retailer 13£2,908 GBP
Retailer 2£2,956 GBP
Retailer 14£2,989 GBP
Retailer 15£3,057 GBP
Retailer 7£3,150 GBP
Retailer 9£3,253 GBP
Retailer 10£3,588 GBP
Retailer 5£3,646 GBP
Retailer 6£3,664 GBP
Retailer 12£3,721 GBP
Retailer 16£3,997 GBP
Retailer 11£4,004 GBP
Retailer 4£4,868 GBP
Retailer 8£5,156 GBP
Helzberg Diamonds£5,173 GBP

25 data points across 16 retailers

16 retailers£2,908 GBP to £5,173 GBP

A
Cheapest Retailer
-
£2,908 GBP
A
Retailer 2
-
£2,908 GBP
View
A
Retailer 3
-
£2,956 GBP
View
B+
Retailer 4
-
£2,989 GBP
View
B+
Retailer 5
-
£3,057 GBP
View
B+
Retailer 6
-
£3,150 GBP
View
B+
Retailer 7
-
£3,253 GBP
View
B+
Retailer 8
-
£3,588 GBP
View
B
Retailer 9
-
£3,646 GBP
View
B
Retailer 10
-
£3,664 GBP
View
B+
Retailer 11
-
£3,721 GBP
View
B+
Retailer 12
-
£3,997 GBP
View
B+
Retailer 13
-
£4,004 GBP
View
B
Retailer 14
-
£4,868 GBP
View
B
Retailer 15
-
£5,156 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRHLLPPOKNKK · Nov 4
£5,173 GBP
$6,963 USD
View
15 more retailers have this diamond
Prices start from £2,908 GBPSave up to £2,265 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
1.00ct Marquise
£2,908 GBP