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Round|Natural|GIA

4.28ct I IF Round Natural Diamond

EX • I/IF • GIA 5533178373

Certificate GIA 5533178373

Diamond specifications and retailer prices

From £73,504 GBP
As of November 5, 2026
Save £41,510 GBP (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £115,014 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 4.28ct natural round diamond

This 4.28ct natural round sits in the three to five carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5533178373. Listed at 4 retailers as of November 4, 2026, with prices from £73,504 to £115,014, a £41,510 spread on the same certified stone. MOH London lists it at £115,014. 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

4.28
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5533178373
Dimensions10.48 × 10.51 × 6.39 mm
L/W Ratio1.00
Star length50%
Top View
10.48 mm10.51 mm4.28 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5533178373
Side View
Table 60.0%Crown 34.5°Girdle: MediumPavilion 41.4°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £115,014 GBP|Low: £73,456 GBP|High: £116,712 GBP|Avg: £93,201 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£73,504 GBP
Retailer 2£88,897 GBP
MOH London£115,014 GBP

23 data points across 3 retailers

4 retailers£73,504 GBP to £115,014 GBP

B+
Cheapest Retailer
-
£73,504 GBP
B+
Retailer 2
-
£78,492 GBP
View
B+
Retailer 3
-
£88,897 GBP
View
Most Expensive
B
MOH London
61F5DB580 · Nov 4
£115,014 GBP
View
3 more retailers have this diamond
Prices start from £73,504 GBPSave up to £41,510 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+
4.28ct Round
£73,504 GBP