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Round|Natural|GIA

4.51ct D IF Round Natural Diamond

EX • D/IF • GIA 2245085535

Certificate GIA 2245085535

Diamond specifications and retailer prices

From £143,592 GBP
HK$1,503,100 HKD
As of October 30, 2026
Save £65,068 GBP (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £208,659 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 4.51ct natural round diamond

This 4.51ct natural round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2245085535. Listed at 4 retailers as of October 29, 2026, with prices from £143,592 to £208,659, a £65,068 spread on the same certified stone. Yorxs lists it at £208,659. 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

4.51
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2245085535
Dimensions10.45 × 10.54 × 6.53 mm
L/W Ratio1.01
Top View
10.45 mm10.54 mm4.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245085535
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.6°CuletDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £179,139 GBP|Low: £143,592 GBP|High: £208,659 GBP|Avg: £175,560 GBP
Retailer 1
Retailer 2
Retailer 3
Yorxs
October 30, 2026
Retailer 3£143,592 GBP
Retailer 2£169,722 GBP
Retailer 1£179,139 GBP
Yorxs£208,659 GBP

2 data points across 4 retailers

4 retailers£143,592 GBP to £208,659 GBP

A
Cheapest Retailer
-
£143,592 GBP
HK$1,503,100 HKD
A
Retailer 2
-
£169,722 GBP
View
B+
Retailer 3
-
£179,139 GBP
$240,027 USD
View
Most Expensive
B
Yorxs
1904429 · Oct 29
£208,659 GBP
€266,267 EUR
View
3 more retailers have this diamond
Prices start from £143,592 GBPSave up to £65,068 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.

A
4.51ct Round
£143,592 GBP