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Round|Natural|GIA

4.03ct D VS1 Round Natural Diamond

EX • D/VS1 • GIA 1518018128

Certificate GIA 1518018128

Diamond specifications and retailer prices

From $219,521 USD
£172,851 GBP
As of October 29, 2026
5 retailers carry this diamond
Most expensive: $219,521 USD at Diamond Quarter
View at Diamond Quarter

About this 4.03ct natural round diamond

This 4.03ct 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 1518018128. Listed at 5 retailers as of October 29, 2026. 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

4.03
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1518018128
Dimensions10.14 × 10.18 × 6.33 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Crystal, Pinpoint
Top View
10.14 mm10.18 mm4.03 ctD / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518018128
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: $176,643 USD|Low: $154,980 USD|High: $177,605 USD|Avg: $161,249 USD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 22, 2026
Retailer 4$154,980 USD
Retailer 5$154,980 USD
Retailer 2$159,021 USD
Retailer 3$160,150 USD
Retailer 1$176,643 USD

31 data points across 5 retailers

5 retailers

B+
Retailer 1
-
$154,980 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$159,021 USD
£125,213 GBP
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$160,150 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$176,643 USD
€168,231 EUR
View
Price last confirmed 7 days ago
Most Expensive
B
Diamond Quarter
4.03VS1D1528CC54N · Oct 29
$219,521 USD
£172,851 GBP
View
4 more retailers have this diamond

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+
4.03ct Round
$219,521 USD