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Marquise|Natural|GIA

1.00ct I VS2 Marquise Natural Diamond

EX • I/VS2 • GIA 1558471275

Certificate GIA 1558471275

Diamond specifications and retailer prices

From £1,740 GBP
As of November 5, 2026
Save £1,426 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,166 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558471275. Listed at 15 retailers as of November 4, 2026, with prices from £1,740 to £3,166, a £1,426 spread on the same certified stone. Helzberg Diamonds lists it at £3,166. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle38.7°
Pavilion angle41.78°
OriginNatural
Grading LabGIA
CertificateGIA 1558471275
Dimensions9.88 × 5.21 × 3.35 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.88 mm5.21 mm1.00 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1558471275
Side View
Table 60.0%Crown 38.7°Girdle: STK-THKPavilion 41.78°Culet: NoneDepth 64.3%

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: £3,166 GBP|Low: £1,730 GBP|High: £3,166 GBP|Avg: £2,240 GBP
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
November 5, 2026
Retailer 2£1,740 GBP
Retailer 11£1,829 GBP
Retailer 8£1,841 GBP
Retailer 5£1,880 GBP
Retailer 7£1,970 GBP
Retailer 4£2,005 GBP
Retailer 13£2,164 GBP
Retailer 3£2,254 GBP
Retailer 6£2,310 GBP
Retailer 10£2,368 GBP
Retailer 9£2,807 GBP
Retailer 12£3,008 GBP
Helzberg Diamonds£3,166 GBP

41 data points across 13 retailers

15 retailers£1,740 GBP to £3,166 GBP

A
Cheapest Retailer
-
£1,740 GBP
A
Retailer 2
-
£1,829 GBP
View
A
Retailer 3
-
£1,841 GBP
View
A
Retailer 4
-
£1,847 GBP
View
A
Retailer 5
-
£1,880 GBP
View
A
Retailer 6
-
£1,970 GBP
View
A
Retailer 7
-
£2,005 GBP
View
A
Retailer 8
-
£2,164 GBP
View
A
Retailer 9
-
£2,254 GBP
View
A
Retailer 10
-
£2,310 GBP
View
A
Retailer 11
-
£2,313 GBP
View
A
Retailer 12
-
£2,368 GBP
View
B+
Retailer 13
-
£2,807 GBP
View
B+
Retailer 14
-
£3,008 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRHLLOKNHINL · Nov 4
£3,166 GBP
$4,261 USD
View
14 more retailers have this diamond
Prices start from £1,740 GBPSave up to £1,426 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
£1,740 GBP