Round|Natural|GIA

18.03ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 5231883468

Certificate GIA 5231883468

Diamond specifications and retailer prices

From $388,254 SGD
₹28,924,065 INR
As of October 31, 2026
Save $212,805 SGD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $601,059 SGD at Aurelinne · As of October 31, 2026
View at Aurelinne

About this 18.03ct natural round diamond

This 18.03ct natural round sits in the over five carat band, graded M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 5231883468. Listed at 10 retailers as of October 31, 2026, with prices from $388,254 to $601,059, a $212,805 spread on the same certified stone. Aurelinne lists it at $601,059. 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

18.03
Carat
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231883468
Dimensions16.52 × 16.65 × 10.51 mm
L/W Ratio1.01
Top View
16.52 mm16.65 mm18.03 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231883468
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $601,059 SGD|Low: $387,370 SGD|High: $601,059 SGD|Avg: $524,723 SGD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$388,254 SGD
Retailer 6$470,361 SGD
Retailer 5$479,436 SGD
Retailer 9$504,195 SGD
Retailer 10$534,274 SGD
Retailer 2$534,590 SGD
Retailer 7$556,536 SGD
Retailer 8$578,797 SGD
Retailer 4$582,542 SGD
Aurelinne$601,059 SGD

41 data points across 10 retailers

10 retailers$388,254 SGD to $601,059 SGD

A
Cheapest Retailer
-
$388,254 SGD
₹28,924,065 INR
Retailer 2
-
$470,361 SGD
£289,708 GBP
View
Price last confirmed 31 days ago
B
Retailer 3
-
$504,195 SGD
$394,395 USD
View
B
Retailer 4
-
$515,067 SGD
$402,900 USD
View
B
Retailer 5
-
$534,274 SGD
$417,924 USD
View
B
Retailer 6
-
$534,590 SGD
€398,258 EUR
View
B
Retailer 7
-
$556,536 SGD
$435,338 USD
View
B
Retailer 8
-
$578,797 SGD
$452,751 USD
View
B
Retailer 9
-
$582,542 SGD
ZAR 7,361,559 ZAR
View
Most Expensive
B
Aurelinne
a321bb1c-b7c7-466c-b1e3-51871fd173df · Oct 31
$601,059 SGD
$470,165 USD
View
9 more retailers have this diamond
Prices start from $388,254 SGDSave up to $212,805 SGD

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
18.03ct Round
$388,254 SGD