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5.12ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 628457023

Shape and cutting style on the report: Round brilliant

Certificate IGI 628457023

Diamond specifications and retailer prices

From $42,794 USD
€40,756 EUR
As of October 29, 2026
Save $24,300 USD (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $67,094 USD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.12ct natural round diamond

This 5.12ct 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 IGI 628457023. Listed at 2 retailers as of October 29, 2026, with prices from $42,794 to $67,094, a $24,300 spread on the same certified stone. Yorxs lists it at $67,094. 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
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 628457023
Dimensions11.11 × 11.02 × 6.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.11 mm11.02 mm5.12 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 628457023
Side View
Table 59.0%Crown 32.5°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $42,794 USD|Low: $42,794 USD|High: $67,094 USD|Avg: $54,564 USD
Retailer 1
Yorxs
October 31, 2026
Retailer 1$42,794 USD
Yorxs$67,094 USD

7 data points across 2 retailers

2 retailers$42,794 USD to $67,094 USD

A
Cheapest Retailer
-
$42,794 USD
€40,756 EUR
Most Expensive
B+
Yorxs
SD-2491 · Oct 31
$67,094 USD
€63,899 EUR
View
1 more retailer has this diamond
Prices start from $42,794 USDSave up to $24,300 USD

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
5.12ct Round
$42,794 USD