Round|Natural|GIA

3.42ct M I1 Round Natural Diamond

EX • M/I1 • GIA 2457215069

Certificate GIA 2457215069

Diamond specifications and retailer prices

From £11,104 GBP
As of November 4, 2026
Save £8,754 GBP (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £19,858 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 3.42ct natural round diamond

This 3.42ct natural round sits in the three to five carat band, graded M colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2457215069. Listed at 3 retailers as of November 4, 2026, with prices from £11,104 to £19,858, a £8,754 spread on the same certified stone. Yorxs lists it at £19,858. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

3.42
Carat
M
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2457215069
Dimensions9.66 × 9.64 × 5.89 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
9.66 mm9.64 mm3.42 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2457215069
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £14,834 GBP|Low: £11,074 GBP|High: £20,050 GBP|Avg: £15,701 GBP|+33.7%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 5, 2026
Retailer 2£11,104 GBP
Retailer 1£14,834 GBP
Retailer 3£19,772 GBP
Yorxs£19,858 GBP

22 data points across 4 retailers

3 retailers£11,104 GBP to £19,858 GBP

B
Cheapest Retailer
-
£11,104 GBP
C
Retailer 2
-
£14,834 GBP
View
Most Expensive
C
Yorxs
297191998 · Nov 5
£19,858 GBP
€25,454 EUR
View
2 more retailers have this diamond
Prices start from £11,104 GBPSave up to £8,754 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
3.42ct Round
£11,104 GBP