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Marquise|Natural|HRD

1.05ct K SI2 Marquise Natural Diamond

EX • K/SI2 • HRD 260000129415

Certificate HRD 260000129415

Diamond specifications and retailer prices

From £988 GBP
As of November 3, 2026
Save £1,422 GBP (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,410 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.05ct natural marquise diamond

This 1.05ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000129415. Listed at 4 retailers as of November 3, 2026, with prices from £988 to £2,410, a £1,422 spread on the same certified stone. NZ Jewellers lists it at £2,410. 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

1.05
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle37.89°
Pavilion angle39.65°
OriginNatural
Grading LabHRD
CertificateHRD 260000129415
Dimensions11.12 × 5.10 × 3.12 mm
L/W Ratio2.18
Girdle conditionMedium
Top View
11.12 mm5.10 mm1.05 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateHRD 260000129415
Side View
Table 57.0%Crown 37.89°GirdlePavilion 39.65°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £2,410 GBP|Low: £988 GBP|High: £2,493 GBP|Avg: £1,510 GBP|-3.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£988 GBP
Retailer 3£1,034 GBP
Retailer 5£1,066 GBP
Retailer 2£1,809 GBP
NZ Jewellers£2,410 GBP

17 data points across 5 retailers

4 retailers£988 GBP to £2,410 GBP

A
Cheapest Retailer
-
£988 GBP
A
Retailer 2
-
£1,034 GBP
View
B
Retailer 3
-
£1,809 GBP
View
Most Expensive
B
NZ Jewellers
35a7d12d-9bda-41d9-9815-c615b06e6e0a · Nov 3
£2,410 GBP
$3,244 USD
View
3 more retailers have this diamond
Prices start from £988 GBPSave up to £1,422 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
1.05ct Marquise
£988 GBP