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Round|Natural|GIA

4.09ct D VS1 Round Natural Diamond

EX • D/VS1 • GIA 1488124449

Certificate GIA 1488124449

Diamond specifications and retailer prices

From $237,556 AUD
SGD 225,500 SGD
As of October 29, 2026
Save $47,756 AUD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $285,312 AUD 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 $237,556 to $285,312, a $47,756 spread on the same certified stone. Diamond Quarter lists it at $285,312. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $237,556 AUD|Low: $141,705 AUD|High: $239,065 AUD|Avg: $190,092 AUD|-0.4%
Retailer 1
Retailer 2
October 13, 2026
Retailer 2$141,705 AUD
Retailer 1$237,556 AUD

5 data points across 2 retailers

2 retailers$237,556 AUD to $285,312 AUD

B+
Cheapest Retailer
-
$237,556 AUD
SGD 225,500 SGD
Most Expensive
B
Diamond Quarter
4.09VS1D14493C26N · Oct 29
$285,312 AUD
£157,808 GBP
View
1 more retailer has this diamond
Prices start from $237,556 AUDSave up to $47,756 AUD

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
$237,556 AUD