Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 5566212541

Certificate GIA 5566212541

Diamond specifications and retailer prices

From £2,067 GBP
₹263,708 INR
As of November 1, 2026
Save £2,723 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,789 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566212541. Listed at 18 retailers as of October 30, 2026, with prices from £2,067 to £4,789, a £2,723 spread on the same certified stone. NZ Jewellers lists it at £4,789. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566212541
Dimensions11.11 × 5.02 × 3.11 mm
L/W Ratio2.21
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Cloud, Needle, Indented Natural
Top View
11.11 mm5.02 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566212541
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 61.9%

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: £4,789 GBP|Low: £2,062 GBP|High: £4,789 GBP|Avg: £2,937 GBP
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 2£2,067 GBP
Retailer 10£2,184 GBP
Retailer 7£2,347 GBP
Retailer 8£2,440 GBP
Retailer 18£2,569 GBP
Retailer 11£2,718 GBP
Retailer 3£2,749 GBP
Retailer 5£2,749 GBP
Retailer 16£2,832 GBP
Retailer 17£2,855 GBP
Retailer 9£2,858 GBP
Retailer 13£2,873 GBP
Retailer 15£2,928 GBP
Retailer 6£2,978 GBP
Retailer 14£3,019 GBP
Retailer 4£3,172 GBP
Retailer 12£4,597 GBP
NZ Jewellers£4,789 GBP

23 data points across 18 retailers

18 retailers£2,067 GBP to £4,789 GBP

A
Cheapest Retailer
-
£2,067 GBP
₹263,708 INR
A
Retailer 2
-
£2,184 GBP
$2,926 USD
View
Final sale: no returns
A
Retailer 3
-
£2,347 GBP
$3,145 USD
View
A
Retailer 4
-
£2,440 GBP
$3,270 USD
View
B+
Retailer 5
-
£2,569 GBP
$3,442 USD
View
B+
Retailer 6
-
£2,718 GBP
View
Retailer 7
-
£2,749 GBP
$3,683 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
£2,749 GBP
$3,683 USD
View
B+
Retailer 9
-
£2,832 GBP
$3,795 USD
View
B+
Retailer 10
-
£2,855 GBP
$3,825 USD
View
B+
Retailer 11
-
£2,858 GBP
$3,829 USD
View
B+
Retailer 12
-
£2,873 GBP
View
B+
Retailer 13
-
£2,928 GBP
$3,923 USD
View
B+
Retailer 14
-
£2,978 GBP
$3,990 USD
View
B+
Retailer 15
-
£3,019 GBP
€3,852 EUR
View
B+
Retailer 16
-
£3,172 GBP
$4,250 USD
View
B
Retailer 17
-
£4,597 GBP
View
Most Expensive
B
NZ Jewellers
9a05bfd7-a825-44ae-a405-821890bb8411 · Oct 30
£4,789 GBP
$6,417 USD
View
17 more retailers have this diamond
Prices start from £2,067 GBPSave up to £2,723 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
£2,067 GBP