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Marquise|Natural|HRD

1.00ct H SI2 Marquise Natural Diamond

ID • H/SI2 • HRD 260000219128

Certificate HRD 260000219128

Diamond specifications and retailer prices

From £1,136 GBP
As of November 6, 2026
Save £2,417 GBP (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,553 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000219128. Listed at 14 retailers as of November 5, 2026, with prices from £1,136 to £3,553, a £2,417 spread on the same certified stone. NZ Jewellers lists it at £3,553. 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

1.00
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000219128
Dimensions9.76 × 5.14 × 3.28 mm
L/W Ratio1.90
Top View
9.76 mm5.14 mm1.00 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000219128
Side View
Table 55.0%CrownGirdle: THIPavilionCulet: NoneDepth 63.8%

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 6
Current: £3,553 GBP|Low: £1,136 GBP|High: £3,553 GBP|Avg: £1,730 GBP|+12.6%
NZ Jewellers
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
November 6, 2026
Retailer 7£1,136 GBP
Retailer 4£1,327 GBP
Retailer 3£1,344 GBP
Retailer 5£1,348 GBP
Retailer 12£1,456 GBP
Retailer 13£1,456 GBP
Retailer 14£1,468 GBP
Retailer 10£1,523 GBP
Retailer 2£1,524 GBP
Retailer 11£1,559 GBP
Retailer 6£1,680 GBP
Retailer 8£1,978 GBP
Retailer 9£2,545 GBP
NZ Jewellers£3,553 GBP

32 data points across 14 retailers

14 retailers£1,136 GBP to £3,553 GBP

A
Cheapest Retailer
-
£1,136 GBP
A
Retailer 2
-
£1,327 GBP
View
B+
Retailer 3
-
£1,344 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,348 GBP
View
Retailer 5
-
£1,456 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£1,456 GBP
View
A
Retailer 7
-
£1,468 GBP
View
A
Retailer 8
-
£1,523 GBP
View
A
Retailer 9
-
£1,524 GBP
View
A
Retailer 10
-
£1,559 GBP
View
A
Retailer 11
-
£1,680 GBP
View
B+
Retailer 12
-
£1,978 GBP
View
B
Retailer 13
-
£2,545 GBP
View
Most Expensive
C
NZ Jewellers
8e88b397-8510-4953-9942-7d72bf76c0cd · Nov 5
£3,553 GBP
$4,755 USD
View
13 more retailers have this diamond
Prices start from £1,136 GBPSave up to £2,417 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
£1,136 GBP