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5.12ct J SI1 Round Natural Diamond

EX • J/SI1 • HRD 220000036890

Shape and cutting style on the report: Brilliant

Certificate HRD 220000036890

Diamond specifications and retailer prices

From $127,895 USD
€121,805 EUR
As of November 2, 2026
1 retailer carries this diamond
Only listing: $127,895 USD at Belgium Diamonds
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 Belgium Diamonds

About this 5.12ct natural round diamond

This 5.12ct natural round sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 220000036890. Listed at a single retailer as of November 2, 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

5.12
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.1°
OriginNatural
Grading LabHRD
CertificateHRD 220000036890
Dimensions11.22 × 11.19 × 6.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
11.22 mm11.19 mm5.12 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 220000036890
Side View
Table 60.0%Crown 32°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.0%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: $127,895 USD|Low: $127,895 USD|High: $127,895 USD|Avg: $127,895 USD
February 18, 2026
Belgium Diamonds$127,895 USD

1 data point across 1 retailer

1 retailer

C
Belgium Diamonds
427920213 · Nov 2
$127,895 USD
€121,805 EUR
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C
5.12ct Round
$127,895 USD