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Marquise|Natural|GIA

1.01ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 5543969864

Certificate GIA 5543969864

Diamond specifications and retailer prices

From £785 GBP
As of November 4, 2026
Save £520 GBP (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,305 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543969864. Listed at 11 retailers as of November 4, 2026, with prices from £785 to £1,305, a £520 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,305. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.36°
Pavilion angle40.65°
OriginNatural
Grading LabGIA
CertificateGIA 5543969864
Dimensions9.88 × 5.19 × 3.30 mm
L/W Ratio1.90
Top View
9.88 mm5.19 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543969864
Side View
Table 59.0%Crown 39.36°Girdle: STK-THKPavilion 40.65°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,130 GBP|Low: £785 GBP|High: £1,330 GBP|Avg: £974 GBP|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 5£785 GBP
Retailer 3£800 GBP
Retailer 6£826 GBP
Retailer 9£855 GBP
Retailer 2£880 GBP
Retailer 4£962 GBP
Retailer 7£968 GBP
Retailer 1£1,130 GBP
Retailer 8£1,155 GBP
Wholesale Diamonds Direct£1,305 GBP

43 data points across 10 retailers

11 retailers£785 GBP to £1,305 GBP

A
Cheapest Retailer
-
£785 GBP
A
Retailer 2
-
£800 GBP
View
A
Retailer 3
-
£826 GBP
View
A
Retailer 4
-
£855 GBP
View
A
Retailer 5
-
£880 GBP
View
A
Retailer 6
-
£962 GBP
View
A
Retailer 7
-
£967 GBP
View
A
Retailer 8
-
£968 GBP
View
A
Retailer 9
-
£1,130 GBP
View
B+
Retailer 10
-
£1,155 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
386983198 · Nov 4
£1,305 GBP
$1,747 USD
View
10 more retailers have this diamond
Prices start from £785 GBPSave up to £520 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
£785 GBP