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Round|Natural|GIA

1.02ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 5161404302

Certificate GIA 5161404302

Diamond specifications and retailer prices

From £3,184 GBP
As of November 4, 2026
Save £1,361 GBP (30%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,453 GBP at MOH London · As of October 29, 2026
View at MOH London

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 5161404302. Listed at 22 retailers as of November 4, 2026, with a 43% 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 5161404302
Dimensions6.43 × 6.40 × 4.03 mm
L/W Ratio1.00
Top View
6.43 mm6.40 mm1.02 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5161404302
Side View
Table 56.0%CrownGirdle: MED-FPavilionCulet: 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 4
Current: £6,453 GBP|Low: £3,089 GBP|High: £6,740 GBP|Avg: £4,276 GBP|-0.5%
MOH London
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
November 6, 2026
Retailer 7£3,184 GBP
Retailer 4£3,269 GBP
Retailer 16£3,369 GBP
Retailer 5£3,651 GBP
Retailer 13£3,651 GBP
Retailer 15£3,651 GBP
Retailer 2£3,750 GBP
Retailer 12£3,864 GBP
Retailer 9£3,868 GBP
Retailer 3£4,063 GBP
Retailer 6£4,213 GBP
Retailer 11£4,397 GBP
Retailer 14£4,545 GBP
Retailer 10£4,917 GBP
MOH London£6,453 GBP
Retailer 8£6,740 GBP

33 data points across 16 retailers

22 retailers£3,184 GBP to £4,545 GBP

B
Cheapest Retailer
-
£3,184 GBP
Retailer 2
-
£3,269 GBP
View
Price last confirmed 30 days ago
B
Retailer 3
-
£3,284 GBP
View
B
Retailer 4
-
£3,369 GBP
View
Final sale: no returns
B
Retailer 5
-
£3,618 GBP
View
Retailer 6
-
£3,651 GBP
View
Price last confirmed 30 days ago
Retailer 7
-
£3,651 GBP
View
Price last confirmed 8 days ago
B
Retailer 8
-
£3,651 GBP
View
B
Retailer 9
-
£3,750 GBP
View
B
Retailer 10
-
£3,864 GBP
View
Retailer 11
-
£3,864 GBP
View
Price last confirmed 39 days ago
Retailer 12
-
£3,864 GBP
View
Price last confirmed 23 days ago
Retailer 13
-
£3,864 GBP
View
Price last confirmed 7 days ago
B
Retailer 14
-
£3,868 GBP
View
Retailer 15
-
£4,063 GBP
View
Price last confirmed 28 days ago
Retailer 16
-
£4,213 GBP
View
Price last confirmed 30 days ago
B
Retailer 17
-
£4,397 GBP
View
Retailer 18
-
£4,448 GBP
View
Price last confirmed 14 days ago
B
Retailer 19
-
£4,545 GBP
View
Retailer 20
-
£4,917 GBP
View
Price under review
Most Expensive
MOH London
1375A367B · Oct 29
£6,453 GBP
View
Price under review
20 more retailers have this diamond
Prices start from £3,184 GBPSave up to £1,361 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
£3,184 GBP