CaratHunter
Plans
Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551181654

Certificate GIA 7551181654

Diamond specifications and retailer prices

From £808 GBP
As of November 6, 2026
Save £1,084 GBP (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,893 GBP at MOH London · As of November 4, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551181654. Listed at 11 retailers as of November 4, 2026, with prices from £808 to £1,893, a £1,084 spread on the same certified stone. MOH London lists it at £1,893. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551181654
Dimensions9.36 × 5.22 × 3.33 mm
L/W Ratio1.79
Top View
9.36 mm5.22 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551181654
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.7%

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: £1,893 GBP|Low: £808 GBP|High: £2,234 GBP|Avg: £1,327 GBP|-15.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9£808 GBP
Retailer 8£1,004 GBP
Retailer 11£1,110 GBP
Retailer 3£1,111 GBP
Retailer 4£1,117 GBP
Retailer 2£1,184 GBP
Retailer 5£1,195 GBP
Retailer 6£1,199 GBP
Retailer 7£1,322 GBP
Retailer 10£1,510 GBP
MOH London£1,893 GBP

41 data points across 11 retailers

11 retailers£808 GBP to £1,893 GBP

A
Cheapest Retailer
-
£808 GBP
A
Retailer 2
-
£1,004 GBP
View
Retailer 3
-
£1,110 GBP
View
Price last confirmed 8 days ago
A
Retailer 4
-
£1,111 GBP
View
A
Retailer 5
-
£1,117 GBP
View
A
Retailer 6
-
£1,184 GBP
View
A
Retailer 7
-
£1,195 GBP
View
A
Retailer 8
-
£1,199 GBP
View
A
Retailer 9
-
£1,322 GBP
View
B+
Retailer 10
-
£1,510 GBP
View
Most Expensive
B+
MOH London
7158E63F4 · Nov 4
£1,893 GBP
View
10 more retailers have this diamond
Prices start from £808 GBPSave up to £1,084 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
£808 GBP