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Round|Natural|GIA

10.18ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 5231122072

Certificate GIA 5231122072

Diamond specifications and retailer prices

From $413,565 CAD
SGD 400,080 SGD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $413,565 CAD at Fonder Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Fonder Diamond

About this 10.18ct natural round diamond

This 10.18ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231122072. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

10.18
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5231122072
Dimensions13.73 × 13.76 × 8.62 mm
L/W Ratio1.00
Star length50%
Top View
13.73 mm13.76 mm10.18 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231122072
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $413,565 CAD|Low: $413,565 CAD|High: $416,193 CAD|Avg: $415,173 CAD|-0.4%
October 13, 2026
Fonder Diamond$413,565 CAD

5 data points across 1 retailer

1 retailer

B
Fonder Diamond
73731282 · Oct 31
$413,565 CAD
SGD 400,080 SGD
View

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
10.18ct Round
$413,565 CAD