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Round|Natural|GIA

1.54ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1278710787

Certificate GIA 1278710787

Diamond specifications and retailer prices

From £3,078 GBP
$4,131 USD
As of November 2, 2026
Save £355 GBP (10%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,433 GBP at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1278710787. Listed at 2 retailers as of November 1, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1278710787
Dimensions7.36 × 7.36 × 4.62 mm
L/W Ratio1.00
Top View
7.36 mm7.36 mm1.54 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1278710787
Side View
Table 57.0%CrownGirdle: MediumPavilionCuletDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £3,078 GBP|Low: £3,078 GBP|High: £3,457 GBP|Avg: £3,256 GBP
Retailer 1
Yorxs
November 1, 2026
Retailer 1£3,078 GBP
Yorxs£3,433 GBP

11 data points across 2 retailers

2 retailers£3,078 GBP to £3,433 GBP

B
Cheapest Retailer
-
£3,078 GBP
$4,131 USD
Most Expensive
B
Yorxs
619447663 · Nov 1
£3,433 GBP
€4,388 EUR
View
1 more retailer has this diamond
Prices start from £3,078 GBPSave up to £355 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
1.54ct Round
£3,078 GBP