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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6542799985

Certificate GIA 6542799985

Diamond specifications and retailer prices

From £1,448 GBP
As of November 6, 2026
Save £2,227 GBP (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,675 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542799985. Listed at 14 retailers as of November 5, 2026, with prices from £1,448 to £3,675, a £2,227 spread on the same certified stone. NZ Jewellers lists it at £3,675. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542799985
Dimensions10.16 × 5.17 × 3.23 mm
L/W Ratio1.97
Top View
10.16 mm5.17 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542799985
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.4%

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: Nov 6
Current: £3,675 GBP|Low: £1,448 GBP|High: £3,799 GBP|Avg: £2,135 GBP|-3.3%
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
November 6, 2026
Retailer 2£1,448 GBP
Retailer 10£1,588 GBP
Retailer 6£1,728 GBP
Retailer 8£1,758 GBP
Retailer 5£1,817 GBP
Retailer 12£1,839 GBP
Retailer 9£1,910 GBP
Retailer 7£2,011 GBP
Retailer 3£2,028 GBP
Retailer 13£2,135 GBP
Retailer 4£2,259 GBP
Retailer 11£3,175 GBP
NZ Jewellers£3,675 GBP

27 data points across 13 retailers

14 retailers£1,448 GBP to £3,675 GBP

A
Cheapest Retailer
-
£1,448 GBP
A
Retailer 2
-
£1,588 GBP
View
A
Retailer 3
-
£1,704 GBP
View
A
Retailer 4
-
£1,728 GBP
View
A
Retailer 5
-
£1,758 GBP
View
Retailer 6
-
£1,817 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
£1,839 GBP
View
A
Retailer 8
-
£1,910 GBP
View
A
Retailer 9
-
£2,011 GBP
View
A
Retailer 10
-
£2,028 GBP
View
A
Retailer 11
-
£2,135 GBP
View
A
Retailer 12
-
£2,259 GBP
View
B+
Retailer 13
-
£3,175 GBP
View
Most Expensive
B
NZ Jewellers
1cd7600d-f048-4962-9514-c141bf67bb4f · Nov 5
£3,675 GBP
$4,946 USD
View
13 more retailers have this diamond
Prices start from £1,448 GBPSave up to £2,227 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
£1,448 GBP