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Marquise|Natural|GIA

1.01ct I SI2 Marquise Natural Diamond

ID • I/SI2 • GIA 7551511809

Certificate GIA 7551511809

Diamond specifications and retailer prices

From £1,393 GBP
HK$14,600 HKD
As of November 1, 2026
Save £2,360 GBP (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,753 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551511809. Listed at 13 retailers as of October 30, 2026, with prices from £1,393 to £3,753, a £2,360 spread on the same certified stone. NZ Jewellers lists it at £3,753. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551511809
Dimensions11.08 × 4.80 × 3.00 mm
L/W Ratio2.31
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
11.08 mm4.80 mm1.01 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551511809
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.5%

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: £3,753 GBP|Low: £1,350 GBP|High: £3,804 GBP|Avg: £2,068 GBP|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7£1,393 GBP
Retailer 2£1,405 GBP
Retailer 9£1,657 GBP
Retailer 5£1,775 GBP
Retailer 11£1,782 GBP
Retailer 10£1,795 GBP
Retailer 8£1,878 GBP
Retailer 3£1,934 GBP
Retailer 4£1,948 GBP
Retailer 12£2,071 GBP
Retailer 6£3,145 GBP
NZ Jewellers£3,753 GBP

42 data points across 12 retailers

13 retailers£1,393 GBP to £3,753 GBP

A
Cheapest Retailer
-
£1,393 GBP
HK$14,600 HKD
A
Retailer 2
-
£1,405 GBP
₹179,514 INR
View
B+
Retailer 3
-
£1,657 GBP
$2,223 USD
View
Final sale: no returns
A
Retailer 4
-
£1,775 GBP
View
A
Retailer 5
-
£1,782 GBP
$2,392 USD
View
A
Retailer 6
-
£1,795 GBP
$2,409 USD
View
B+
Retailer 7
-
£1,859 GBP
A$3,838 AUD
View
B+
Retailer 8
-
£1,878 GBP
$2,520 USD
View
B+
Retailer 9
-
£1,934 GBP
SGD 3,507 SGD
View
B+
Retailer 10
-
£1,948 GBP
$2,614 USD
View
B+
Retailer 11
-
£2,071 GBP
$2,779 USD
View
B
Retailer 12
-
£3,145 GBP
View
Most Expensive
B
NZ Jewellers
f4f9c3ea-5b32-4a5b-aa34-71c1b50319fe · Oct 30
£3,753 GBP
$5,036 USD
View
12 more retailers have this diamond
Prices start from £1,393 GBPSave up to £2,360 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
£1,393 GBP