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Round|Natural|GIA

18.03ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 5231883468

Certificate GIA 5231883468

Diamond specifications and retailer prices

From HK$2,382,760 HKD
₹28,924,065 INR
As of October 31, 2026
Save HK$1,306,013 HKD (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$3,688,774 HKD 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 HK$2,382,760 to HK$3,688,774, a HK$1,306,013 spread on the same certified stone. Aurelinne lists it at HK$3,688,774. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$3,688,774 HKD|Low: HK$2,377,339 HKD|High: HK$3,688,774 HKD|Avg: HK$3,214,791 HKD
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2HK$2,382,760 HKD
Retailer 7HK$2,886,662 HKD
Retailer 6HK$2,942,357 HKD
Retailer 10HK$3,094,305 HKD
Retailer 3HK$3,161,033 HKD
Retailer 11HK$3,278,906 HKD
Retailer 4HK$3,304,050 HKD
Retailer 8HK$3,415,531 HKD
Retailer 9HK$3,552,149 HKD
Retailer 5HK$3,575,132 HKD
AurelinneHK$3,688,774 HKD

40 data points across 11 retailers

10 retailersHK$2,382,760 HKD to HK$3,688,774 HKD

A
Cheapest Retailer
-
HK$2,382,760 HKD
₹28,924,065 INR
Retailer 2
-
HK$2,886,662 HKD
£289,708 GBP
View
Price last confirmed 31 days ago
B
Retailer 3
-
HK$3,094,305 HKD
$394,395 USD
View
B
Retailer 4
-
HK$3,161,033 HKD
$402,900 USD
View
B
Retailer 5
-
HK$3,278,906 HKD
$417,924 USD
View
B
Retailer 6
-
HK$3,304,050 HKD
€401,075 EUR
View
B
Retailer 7
-
HK$3,415,531 HKD
$435,338 USD
View
B
Retailer 8
-
HK$3,552,149 HKD
$452,751 USD
View
B
Retailer 9
-
HK$3,575,132 HKD
ZAR 7,361,559 ZAR
View
Most Expensive
B
Aurelinne
a321bb1c-b7c7-466c-b1e3-51871fd173df · Oct 31
HK$3,688,774 HKD
$470,165 USD
View
9 more retailers have this diamond
Prices start from HK$2,382,760 HKDSave up to HK$1,306,013 HKD

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
HK$2,382,760 HKD