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Marquise|Natural|GIA

1.00ct D I1 Marquise Natural Diamond

D/I1 • GIA 2558795976

Certificate GIA 2558795976

Diamond specifications and retailer prices

From £1,395 GBP
HK$14,600 HKD
As of November 1, 2026
Save £2,370 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,764 GBP at NZ Jewellers · As of October 30, 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 I1 clarity (included) and certified by GIA 2558795976. Listed at 8 retailers as of October 30, 2026, with prices from £1,395 to £3,764, a £2,370 spread on the same certified stone. NZ Jewellers lists it at £3,764. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2558795976
Dimensions9.85 × 5.18 × 3.14 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
9.85 mm5.18 mm1.00 ctD / I1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558795976
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.7%

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 1
Current: £3,764 GBP|Low: £1,385 GBP|High: £3,764 GBP|Avg: £1,995 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3£1,395 GBP
Retailer 2£1,409 GBP
Retailer 4£1,662 GBP
Retailer 8£1,787 GBP
Retailer 5£1,801 GBP
Retailer 7£1,884 GBP
Retailer 6£2,078 GBP
NZ Jewellers£3,764 GBP

45 data points across 8 retailers

8 retailers£1,395 GBP to £3,764 GBP

B+
Cheapest Retailer
-
£1,395 GBP
HK$14,600 HKD
A
Retailer 2
-
£1,409 GBP
₹179,857 INR
View
B+
Retailer 3
-
£1,662 GBP
$2,227 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,787 GBP
$2,394 USD
View
B+
Retailer 5
-
£1,801 GBP
$2,413 USD
View
B+
Retailer 6
-
£1,884 GBP
$2,524 USD
View
B+
Retailer 7
-
£2,078 GBP
$2,784 USD
View
Most Expensive
C
NZ Jewellers
f7937885-daec-446a-8ef6-636b63103c6a · Oct 30
£3,764 GBP
$5,044 USD
View
7 more retailers have this diamond
Prices start from £1,395 GBPSave up to £2,370 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
£1,395 GBP