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Marquise|Natural|GIA

1.01ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 2554216203

Certificate GIA 2554216203

Diamond specifications and retailer prices

From £1,739 GBP
HK$18,200 HKD
As of November 1, 2026
Save £2,324 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,063 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct 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 2554216203. Listed at 18 retailers as of October 30, 2026, with prices from £1,739 to £4,063, a £2,324 spread on the same certified stone. NZ Jewellers lists it at £4,063. 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

1.01
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554216203
Dimensions10.42 × 5.16 × 3.28 mm
L/W Ratio2.02
Top View
10.42 mm5.16 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2554216203
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.6%

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: £4,063 GBP|Low: £1,720 GBP|High: £4,063 GBP|Avg: £2,677 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
November 2, 2026
Retailer 9£1,739 GBP
Retailer 6£1,753 GBP
Retailer 5£2,152 GBP
Retailer 7£2,306 GBP
Retailer 3£2,332 GBP
Retailer 12£2,332 GBP
Retailer 2£2,416 GBP
Retailer 13£2,422 GBP
Retailer 4£2,691 GBP
Retailer 10£2,730 GBP
Retailer 8£3,899 GBP
Retailer 11£3,924 GBP
NZ Jewellers£4,063 GBP

24 data points across 13 retailers

18 retailers£1,739 GBP to £4,063 GBP

A
Cheapest Retailer
-
£1,739 GBP
HK$18,200 HKD
A
Retailer 2
-
£1,753 GBP
₹223,729 INR
View
A
Retailer 3
-
£1,991 GBP
$2,668 USD
View
A
Retailer 4
-
£2,088 GBP
$2,798 USD
View
A
Retailer 5
-
£2,102 GBP
$2,816 USD
View
A
Retailer 6
-
£2,152 GBP
$2,884 USD
View
Final sale: no returns
A
Retailer 7
-
£2,306 GBP
View
A
Retailer 8
-
£2,332 GBP
$3,125 USD
View
A
Retailer 9
-
£2,332 GBP
$3,125 USD
View
A
Retailer 10
-
£2,416 GBP
View
A
Retailer 11
-
£2,418 GBP
SGD 4,379 SGD
View
A
Retailer 12
-
£2,422 GBP
$3,245 USD
View
A
Retailer 13
-
£2,439 GBP
$3,268 USD
View
B+
Retailer 14
-
£2,691 GBP
$3,605 USD
View
B+
Retailer 15
-
£2,730 GBP
€3,484 EUR
View
B
Retailer 16
-
£3,899 GBP
View
B
Retailer 17
-
£3,924 GBP
View
Most Expensive
B
NZ Jewellers
ab811e8e-9ca9-4dd9-b82c-97263e3adf7b · Oct 30
£4,063 GBP
$5,444 USD
View
17 more retailers have this diamond
Prices start from £1,739 GBPSave up to £2,324 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
1.01ct Marquise
£1,739 GBP