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Cushion|Natural|GIA

1.01ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1549998077

Certificate GIA 1549998077

Diamond specifications and retailer prices

From £1,186 GBP
As of November 6, 2026
Save £1,575 GBP (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,761 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct natural cushion diamond

This 1.01ct natural cushion 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 1549998077. Listed at 7 retailers as of November 4, 2026, with prices from £1,186 to £2,761, a £1,575 spread on the same certified stone. MOH London lists it at £2,761. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549998077
Dimensions5.80 × 5.61 × 3.90 mm
L/W Ratio1.03
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
5.80 mm5.61 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549998077
Side View
Table 68.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.6%

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 6
Current: £2,761 GBP|Low: £1,176 GBP|High: £3,074 GBP|Avg: £1,763 GBP|-9.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4£1,186 GBP
Retailer 2£1,189 GBP
Retailer 6£1,260 GBP
Retailer 5£1,477 GBP
Retailer 7£1,756 GBP
Retailer 3£1,967 GBP
MOH London£2,761 GBP

46 data points across 7 retailers

7 retailers£1,186 GBP to £2,761 GBP

A
Cheapest Retailer
-
£1,186 GBP
A
Retailer 2
-
£1,189 GBP
View
A
Retailer 3
-
£1,260 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,477 GBP
View
Retailer 5
-
£1,756 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£1,967 GBP
View
Most Expensive
B
MOH London
279B145BC · Nov 4
£2,761 GBP
View
6 more retailers have this diamond
Prices start from £1,186 GBPSave up to £1,575 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 Cushion
£1,186 GBP