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Marquise|Natural|GIA

1.01ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7558321392

Certificate GIA 7558321392

Diamond specifications and retailer prices

From £1,664 GBP
As of November 6, 2026
Save £2,721 GBP (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,385 GBP at NZ Jewellers · As of November 5, 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 7558321392. Listed at 19 retailers as of November 5, 2026, with prices from £1,664 to £4,385, a £2,721 spread on the same certified stone. NZ Jewellers lists it at £4,385. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.62°
Pavilion angle37.82°
OriginNatural
Grading LabGIA
CertificateGIA 7558321392
Dimensions10.17 × 5.19 × 3.11 mm
L/W Ratio1.96
Culet sizeNone
Top View
10.17 mm5.19 mm1.01 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558321392
Side View
Table 60.0%Crown 39.62°Girdle: STK-THKPavilion 37.82°Culet: NoneDepth 59.9%

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 6
Current: £4,385 GBP|Low: £1,005 GBP|High: £4,385 GBP|Avg: £1,963 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 10£1,095 GBP
Retailer 12£1,455 GBP
Retailer 6£1,664 GBP
Retailer 11£1,668 GBP
Retailer 16£1,677 GBP
Retailer 8£1,708 GBP
Retailer 5£1,716 GBP
Retailer 20£1,792 GBP
Retailer 7£1,833 GBP
Retailer 3£1,900 GBP
Retailer 19£1,900 GBP
Retailer 17£1,987 GBP
Retailer 2£2,060 GBP
Retailer 4£2,065 GBP
Retailer 18£2,076 GBP
Retailer 9£2,192 GBP
Retailer 14£2,206 GBP
Retailer 13£2,441 GBP
Retailer 15£3,664 GBP
NZ Jewellers£4,385 GBP

33 data points across 20 retailers

19 retailers£1,664 GBP to £4,385 GBP

Retailer 1
-
£1,457 GBP
Price last confirmed 30 days ago
Retailer 2
-
£1,544 GBP
View
Price last confirmed 30 days ago
A
Retailer 3
-
£1,664 GBP
View
A
Retailer 4
-
£1,677 GBP
View
A
Retailer 5
-
£1,708 GBP
View
A
Retailer 6
-
£1,716 GBP
View
A
Retailer 7
-
£1,792 GBP
View
A
Retailer 8
-
£1,833 GBP
View
B+
Retailer 9
-
£1,900 GBP
View
Retailer 10
-
£1,900 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£1,987 GBP
View
B+
Retailer 12
-
£2,060 GBP
View
B+
Retailer 13
-
£2,065 GBP
View
B+
Retailer 14
-
£2,076 GBP
View
B+
Retailer 15
-
£2,192 GBP
View
B+
Retailer 16
-
£2,206 GBP
View
B+
Retailer 17
-
£2,441 GBP
View
B
Retailer 18
-
£3,664 GBP
View
Most Expensive
B
NZ Jewellers
9a093c04-feaa-4825-961e-50d88233db64 · Nov 5
£4,385 GBP
$5,869 USD
View
18 more retailers have this diamond
Prices start from £1,664 GBPSave up to £2,721 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
£1,664 GBP