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Round|Natural|GIA

5.18ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 1523656372

Certificate GIA 1523656372

Diamond specifications and retailer prices

From $63,693 SGD
$49,803 USD
As of November 1, 2026
Save $46,145 SGD (42%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $109,838 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 5.18ct natural round diamond

This 5.18ct natural round sits in the over five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1523656372. Listed at 20 retailers as of November 1, 2026, with prices from $63,693 to $109,838, a $46,145 spread on the same certified stone. MOH London lists it at $109,838. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.18
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1523656372
Dimensions11.01 × 10.97 × 6.87 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Indented Natural, Natural
Top View
11.01 mm10.97 mm5.18 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 1523656372
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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: Nov 1
Current: $109,838 SGD|Low: $64,469 SGD|High: $111,162 SGD|Avg: $80,468 SGD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$64,469 SGD
Retailer 5$66,198 SGD
Retailer 2$68,207 SGD
Retailer 3$70,388 SGD
Retailer 8$73,261 SGD
Retailer 9$79,120 SGD
Retailer 4$84,956 SGD
Retailer 7$90,372 SGD
MOH London$109,838 SGD

35 data points across 9 retailers

20 retailers$63,693 SGD to $109,838 SGD

A
Cheapest Retailer
-
$63,693 SGD
$49,803 USD
A
Retailer 2
-
$63,735 SGD
$49,836 USD
View
B+
Retailer 3
-
$64,456 SGD
$50,400 USD
View
B+
Retailer 4
-
$64,469 SGD
$50,410 USD
View
Final sale: no returns
A
Retailer 5
-
$66,198 SGD
₹4,929,662 INR
View
A
Retailer 6
-
$68,207 SGD
$53,333 USD
View
B+
Retailer 7
-
$70,329 SGD
$54,992 USD
View
A
Retailer 8
-
$70,388 SGD
£43,337 GBP
View
Retailer 9
-
$73,261 SGD
$57,284 USD
View
Price last confirmed 52 days ago
B+
Retailer 10
-
$73,261 SGD
$57,284 USD
View
B+
Retailer 11
-
$73,261 SGD
$57,284 USD
View
B+
Retailer 12
-
$73,406 SGD
$57,397 USD
View
Retailer 13
-
$76,190 SGD
$59,575 USD
View
Price last confirmed 52 days ago
B+
Retailer 14
-
$76,190 SGD
$59,575 USD
View
Retailer 15
-
$76,797 SGD
$60,049 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$78,155 SGD
$61,111 USD
View
B+
Retailer 17
-
$79,120 SGD
$61,866 USD
View
Retailer 18
-
$79,120 SGD
$61,866 USD
View
Price last confirmed 57 days ago
B+
Retailer 19
-
$84,956 SGD
€63,266 EUR
View
Most Expensive
B
MOH London
5AEB34761 · Nov 1
$109,838 SGD
£67,626 GBP
View
19 more retailers have this diamond
Prices start from $63,693 SGDSave up to $46,145 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
5.18ct Round
$63,693 SGD