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4.55ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6541963596

Certificate GIA 6541963596

Diamond specifications and retailer prices

From £45,389 GBP
SGD 82,184 SGD
As of October 29, 2026
Save £14,504 GBP (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £59,893 GBP at Yorxs · As of October 30, 2026
View at Yorxs

About this 4.55ct natural round diamond

This 4.55ct natural round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541963596. Listed at 8 retailers as of October 29, 2026, with prices from £45,389 to £59,893, a £14,504 spread on the same certified stone. Yorxs lists it at £59,893. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.55
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6541963596
Dimensions10.61 × 6.63 × 6.63 mm
L/W Ratio1.60
Top View
10.61 mm6.63 mm4.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541963596
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 29
Current: £48,548 GBP|Low: £45,389 GBP|High: £61,713 GBP|Avg: £54,058 GBP|-4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 30, 2026
Retailer 4£45,389 GBP
Retailer 3£46,548 GBP
Retailer 1£48,548 GBP
Retailer 5£51,996 GBP
Retailer 6£58,235 GBP
Retailer 2£59,570 GBP
Yorxs£59,893 GBP

40 data points across 7 retailers

8 retailers£45,389 GBP to £59,893 GBP

A
Cheapest Retailer
-
£45,389 GBP
SGD 82,184 SGD
A
Retailer 2
-
£46,548 GBP
SGD 84,283 SGD
View
A
Retailer 3
-
£48,548 GBP
View
A
Retailer 4
-
£51,996 GBP
$69,669 USD
View
A
Retailer 5
-
£58,235 GBP
$78,028 USD
View
B+
Retailer 6
-
£58,836 GBP
$78,834 USD
View
B+
Retailer 7
-
£59,570 GBP
$79,817 USD
View
Most Expensive
B+
Yorxs
571542751 · Oct 30
£59,893 GBP
€76,428 EUR
View
7 more retailers have this diamond
Prices start from £45,389 GBPSave up to £14,504 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
4.55ct Round
£45,389 GBP