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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 5563163063

Certificate GIA 5563163063

Diamond specifications and retailer prices

From £2,207 GBP
HK$23,100 HKD
As of November 1, 2026
Save £2,734 GBP (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,941 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563163063. Listed at 15 retailers as of October 30, 2026, with prices from £2,207 to £4,941, a £2,734 spread on the same certified stone. NZ Jewellers lists it at £4,941. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563163063
Dimensions10.16 × 5.23 × 3.17 mm
L/W Ratio1.94
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Natural
Top View
10.16 mm5.23 mm1.00 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563163063
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.6%

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: £4,941 GBP|Low: £2,188 GBP|High: £5,071 GBP|Avg: £3,075 GBP|-2.6%
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
November 1, 2026
Retailer 10£2,207 GBP
Retailer 2£2,220 GBP
Retailer 13£2,456 GBP
Retailer 11£2,549 GBP
Retailer 5£2,617 GBP
Retailer 8£2,766 GBP
Retailer 4£2,781 GBP
Retailer 15£2,836 GBP
Retailer 14£2,945 GBP
Retailer 3£3,016 GBP
Retailer 7£3,171 GBP
Retailer 6£3,272 GBP
Retailer 12£3,273 GBP
Retailer 9£4,742 GBP
NZ Jewellers£4,941 GBP

29 data points across 15 retailers

15 retailers£2,207 GBP to £4,941 GBP

A
Cheapest Retailer
-
£2,207 GBP
HK$23,100 HKD
A
Retailer 2
-
£2,220 GBP
₹283,270 INR
View
A
Retailer 3
-
£2,456 GBP
A$5,063 AUD
View
A
Retailer 4
-
£2,549 GBP
$3,415 USD
View
B+
Retailer 5
-
£2,617 GBP
$3,507 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,766 GBP
View
B+
Retailer 7
-
£2,781 GBP
SGD 5,036 SGD
View
B+
Retailer 8
-
£2,836 GBP
$3,800 USD
View
B+
Retailer 9
-
£2,945 GBP
$3,946 USD
View
B+
Retailer 10
-
£3,016 GBP
$4,041 USD
View
Retailer 11
-
£3,171 GBP
A$6,537 AUD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
£3,272 GBP
$4,384 USD
View
B
Retailer 13
-
£3,273 GBP
$4,385 USD
View
B
Retailer 14
-
£4,742 GBP
View
Most Expensive
B
NZ Jewellers
9ea44783-8f81-4bc4-820d-feb68c6d384b · Oct 30
£4,941 GBP
$6,620 USD
View
14 more retailers have this diamond
Prices start from £2,207 GBPSave up to £2,734 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
£2,207 GBP