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4.09ct D VS1 Round Natural Diamond

EX • D/VS1 • GIA 1488124449

Certificate GIA 1488124449

Diamond specifications and retailer prices

From £124,540 GBP
SGD 225,500 SGD
As of October 31, 2026
Save £25,036 GBP (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £149,576 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 4.09ct natural round diamond

This 4.09ct natural round sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1488124449. Listed at 2 retailers as of October 29, 2026, with prices from £124,540 to £149,576, a £25,036 spread on the same certified stone. Diamond Quarter lists it at £149,576. 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

4.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1488124449
Dimensions10.27 × 10.31 × 6.32 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Key to symbols
Crystal, Feather, Needle
Top View
10.27 mm10.31 mm4.09 ctD / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488124449
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°CuletDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £124,540 GBP|Low: £74,290 GBP|High: £125,331 GBP|Avg: £99,657 GBP|-0.4%
Retailer 1
Retailer 2
October 13, 2026
Retailer 2£74,290 GBP
Retailer 1£124,540 GBP

5 data points across 2 retailers

2 retailers£124,540 GBP to £149,576 GBP

B+
Cheapest Retailer
-
£124,540 GBP
SGD 225,500 SGD
Most Expensive
B
Diamond Quarter
4.09VS1D14493C26N · Oct 29
£149,576 GBP
View
1 more retailer has this diamond
Prices start from £124,540 GBPSave up to £25,036 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+
4.09ct Round
£124,540 GBP