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Cushion|Natural|GIA

1.00ct J VVS1 Cushion Natural Diamond

EX • J/VVS1 • GIA 1246120649

Certificate GIA 1246120649

Diamond specifications and retailer prices

From £1,286 GBP
As of November 6, 2026
Save £1,143 GBP (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,429 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1246120649. Listed at 10 retailers as of November 6, 2026, with prices from £1,286 to £2,429, a £1,143 spread on the same certified stone. Helzberg Diamonds lists it at £2,429. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246120649
Dimensions6.57 × 5.10 × 3.45 mm
L/W Ratio1.29
Culet sizeNone
Top View
6.57 mm5.10 mm1.00 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1246120649
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NDepth 67.7%

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: £2,429 GBP|Low: £1,286 GBP|High: £2,429 GBP|Avg: £1,771 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10£1,286 GBP
Retailer 2£1,343 GBP
Retailer 7£1,475 GBP
Retailer 8£1,482 GBP
Retailer 6£1,749 GBP
Retailer 5£1,905 GBP
Retailer 4£1,913 GBP
Retailer 9£2,066 GBP
Retailer 3£2,248 GBP
Helzberg Diamonds£2,429 GBP

2 data points across 10 retailers

10 retailers£1,286 GBP to £2,429 GBP

A
Cheapest Retailer
-
£1,286 GBP
B+
Retailer 2
-
£1,343 GBP
View
B+
Retailer 3
-
£1,475 GBP
View
B+
Retailer 4
-
£1,482 GBP
View
B
Retailer 5
-
£1,749 GBP
View
B
Retailer 6
-
£1,905 GBP
View
B
Retailer 7
-
£1,913 GBP
View
B
Retailer 8
-
£2,066 GBP
View
B
Retailer 9
-
£2,248 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRHIKMHIGMKP · Nov 6
£2,429 GBP
$3,251 USD
View
9 more retailers have this diamond
Prices start from £1,286 GBPSave up to £1,143 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
1.00ct Cushion
£1,286 GBP