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Cushion|Natural|GIA

1.23ct I VS1 Cushion Natural Diamond

EX • I/VS1 • GIA 1455136014

Certificate GIA 1455136014

Diamond specifications and retailer prices

From £3,695 GBP
As of November 5, 2026
Save £2,279 GBP (38%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,974 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct natural cushion diamond

This 1.23ct natural cushion sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1455136014. Listed at 6 retailers as of November 1, 2026, with prices from £3,695 to £5,974, a £2,279 spread on the same certified stone. MOH London lists it at £5,974. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1455136014
Dimensions6.65 × 5.75 × 3.94 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
6.65 mm5.75 mm1.23 ctI / VS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1455136014
Side View
Table 68.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,974 GBP|Low: £3,028 GBP|High: £6,046 GBP|Avg: £4,152 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4£3,028 GBP
Retailer 2£3,695 GBP
Retailer 5£3,780 GBP
Retailer 6£4,140 GBP
Retailer 3£4,226 GBP
MOH London£5,974 GBP

32 data points across 6 retailers

6 retailers£3,695 GBP to £5,974 GBP

Retailer 1
-
£3,028 GBP
Price last confirmed 9 days ago
B
Retailer 2
-
£3,695 GBP
View
Retailer 3
-
£3,780 GBP
View
Price last confirmed 28 days ago
Retailer 4
-
£4,140 GBP
View
Price last confirmed 14 days ago
B
Retailer 5
-
£4,226 GBP
View
Most Expensive
B
MOH London
44A42AA5D · Nov 1
£5,974 GBP
View
5 more retailers have this diamond
Prices start from £3,695 GBPSave up to £2,279 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
1.23ct Cushion
£3,695 GBP