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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

ID • D/SI1 • GIA 6552106841

Certificate GIA 6552106841

Diamond specifications and retailer prices

From £1,968 GBP
$2,637 USD
As of November 1, 2026
Save £1,886 GBP (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,854 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct 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 6552106841. Listed at 12 retailers as of November 1, 2026, with prices from £1,968 to £3,854, a £1,886 spread on the same certified stone. MOH London lists it at £3,854. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552106841
Dimensions7.60 × 5.14 × 3.49 mm
L/W Ratio1.48
Key to symbols
Feather, Crystal, Indented Natural, Pinpoint
Top View
7.60 mm5.14 mm1.00 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552106841
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,854 GBP|Low: £1,776 GBP|High: £3,900 GBP|Avg: £2,557 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8£2,127 GBP
Retailer 7£2,243 GBP
Retailer 2£2,248 GBP
Retailer 6£2,305 GBP
Retailer 3£2,408 GBP
Retailer 9£2,462 GBP
Retailer 5£2,699 GBP
Retailer 4£2,833 GBP
MOH London£3,854 GBP

33 data points across 9 retailers

12 retailers£1,968 GBP to £3,854 GBP

B+
Cheapest Retailer
-
£1,968 GBP
$2,637 USD
B+
Retailer 2
-
£2,064 GBP
$2,766 USD
View
B+
Retailer 3
-
£2,127 GBP
$2,850 USD
View
Final sale: no returns
B+
Retailer 4
-
£2,243 GBP
$3,005 USD
View
B+
Retailer 5
-
£2,248 GBP
View
B+
Retailer 6
-
£2,305 GBP
$3,088 USD
View
B+
Retailer 7
-
£2,408 GBP
View
Retailer 8
-
£2,462 GBP
A$5,075 AUD
View
Price last confirmed 25 days ago
B+
Retailer 9
-
£2,589 GBP
$3,470 USD
View
B+
Retailer 10
-
£2,699 GBP
€3,444 EUR
View
B
Retailer 11
-
£2,833 GBP
ZAR 61,316 ZAR
View
Most Expensive
B
MOH London
247BAF891 · Nov 1
£3,854 GBP
View
11 more retailers have this diamond
Prices start from £1,968 GBPSave up to £1,886 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.

B+
1.00ct Cushion
£1,968 GBP