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Round|Natural|GIA

1.02ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 2145264759

Certificate GIA 2145264759

Diamond specifications and retailer prices

From £3,654 GBP
As of November 5, 2026
Save £1,153 GBP (24%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,805 GBP at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2145264759. Listed at 19 retailers as of November 5, 2026, with a 32% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2145264759
Dimensions6.46 × 6.44 × 4.05 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.46 mm6.44 mm1.02 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2145264759
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £5,805 GBP|Low: £3,647 GBP|High: £7,201 GBP|Avg: £4,620 GBP|-0.2%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 5£3,654 GBP
Retailer 14£3,670 GBP
Retailer 9£3,759 GBP
Retailer 16£3,978 GBP
Retailer 19£4,011 GBP
Retailer 8£4,023 GBP
Retailer 4£4,310 GBP
Retailer 6£4,310 GBP
Retailer 7£4,310 GBP
Retailer 2£4,462 GBP
Retailer 18£4,701 GBP
Retailer 17£4,702 GBP
Retailer 10£4,807 GBP
Retailer 15£4,807 GBP
Retailer 12£4,887 GBP
Retailer 3£4,971 GBP
Retailer 11£5,246 GBP
Cape Diamonds£5,805 GBP
Retailer 13£6,990 GBP

44 data points across 19 retailers

19 retailers£3,654 GBP to £4,807 GBP

B
Cheapest Retailer
-
£3,654 GBP
B
Retailer 2
-
£3,670 GBP
View
B
Retailer 3
-
£3,759 GBP
View
B
Retailer 4
-
£3,978 GBP
View
Final sale: no returns
B
Retailer 5
-
£4,011 GBP
View
B
Retailer 6
-
£4,023 GBP
View
B
Retailer 7
-
£4,310 GBP
View
Retailer 8
-
£4,310 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£4,310 GBP
View
Price last confirmed 29 days ago
B
Retailer 10
-
£4,462 GBP
View
B
Retailer 11
-
£4,701 GBP
View
Retailer 12
-
£4,702 GBP
View
Price last confirmed 28 days ago
B
Retailer 13
-
£4,807 GBP
View
B
Retailer 14
-
£4,807 GBP
View
Retailer 15
-
£4,887 GBP
View
Price under review
Retailer 16
-
£4,971 GBP
View
Price under review
Retailer 17
-
£5,246 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_2145264759 · Nov 5
£5,805 GBP
ZAR 126,214 ZAR
View
Price under review
17 more retailers have this diamond
Prices start from £3,654 GBPSave up to £1,153 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
1.02ct Round
£3,654 GBP