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Marquise|Natural|HRD

1.31ct H SI2 Marquise Natural Diamond

ID • H/SI2 • HRD 250000235889

Certificate HRD 250000235889

Diamond specifications and retailer prices

From £1,164 GBP
$1,560 USD
As of October 31, 2026
Save £1,952 GBP (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,117 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural marquise diamond

This 1.31ct natural marquise sits in the one-and-a-quarter to one-and-a-half 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 250000235889. Listed at 9 retailers as of October 30, 2026, with prices from £1,164 to £3,117, a £1,952 spread on the same certified stone. NZ Jewellers lists it at £3,117. 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

1.31
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000235889
Dimensions10.94 × 5.75 × 3.30 mm
L/W Ratio1.90
Culet sizePointed
Top View
10.94 mm5.75 mm1.31 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000235889
Side View
Table 62.0%CrownGirdlePavilionCulet: NoneDepth 57.4%

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: Oct 31
Current: £3,117 GBP|Low: £1,158 GBP|High: £3,657 GBP|Avg: £1,827 GBP|-14.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£1,158 GBP
Retailer 7£1,164 GBP
Retailer 6£1,178 GBP
Retailer 4£1,278 GBP
Retailer 10£1,352 GBP
Retailer 9£1,414 GBP
Retailer 8£1,474 GBP
Retailer 2£1,744 GBP
Retailer 5£2,239 GBP
Retailer 11£2,258 GBP
NZ Jewellers£3,117 GBP

32 data points across 11 retailers

9 retailers£1,164 GBP to £3,117 GBP

A
Cheapest Retailer
-
£1,164 GBP
$1,560 USD
A
Retailer 2
-
£1,178 GBP
$1,579 USD
View
Final sale: no returns
A
Retailer 3
-
£1,278 GBP
$1,712 USD
View
A
Retailer 4
-
£1,352 GBP
$1,811 USD
View
A
Retailer 5
-
£1,414 GBP
$1,894 USD
View
A
Retailer 6
-
£1,474 GBP
$1,975 USD
View
A
Retailer 7
-
£1,744 GBP
€2,226 EUR
View
A
Retailer 8
-
£2,239 GBP
View
Most Expensive
B+
NZ Jewellers
8482d906-c71d-4cae-9c46-9a874a1a612d · Oct 30
£3,117 GBP
$4,176 USD
View
8 more retailers have this diamond
Prices start from £1,164 GBPSave up to £1,952 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
1.31ct Marquise
£1,164 GBP