Round|Natural|IGI

10.50ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 824617907

Shape and cutting style on the report: Round brilliant

Certificate IGI 824617907

Diamond specifications and retailer prices

From €170,490 EUR
₹18,140,205 INR
As of October 31, 2026
Save €69,983 EUR (29%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €248,116 EUR at Aurelinne · As of September 29, 2026
View at Aurelinne

About this 10.5ct natural round diamond

This 10.5ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 824617907. Listed at 11 retailers as of October 27, 2026, with a 41% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

10.50
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 824617907
Dimensions13.97 × 14.08 × 8.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
13.97 mm14.08 mm10.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 824617907
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.4%

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: €183,237 EUR|Low: €170,102 EUR|High: €240,472 EUR|Avg: €209,081 EUR|-9.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 2€170,490 EUR
Retailer 3€181,202 EUR
Retailer 1€183,237 EUR
Retailer 8€187,477 EUR
Retailer 6€214,329 EUR
Retailer 7€220,548 EUR
Retailer 4€236,328 EUR
Retailer 5€240,472 EUR

36 data points across 8 retailers

11 retailers€170,490 EUR to €240,472 EUR

A
Cheapest Retailer
-
€170,490 EUR
₹18,140,205 INR
A
Retailer 2
-
€181,202 EUR
£159,401 GBP
View
A
Retailer 3
-
€183,237 EUR
$204,713 USD
View
Final sale: no returns
A
Retailer 4
-
€187,477 EUR
$209,450 USD
View
Retailer 5
-
€208,132 EUR
$232,526 USD
View
Price last confirmed 35 days ago
B+
Retailer 6
-
€214,329 EUR
$239,450 USD
View
Retailer 7
-
€229,737 EUR
$256,664 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
€236,328 EUR
View
Retailer 9
-
€238,927 EUR
$266,931 USD
View
Price last confirmed 30 days ago
B+
Retailer 10
-
€240,472 EUR
ZAR 4,340,183 ZAR
View
Most Expensive
Aurelinne
9a8cfbed-8a85-423b-9e0e-0e2840976796 · Sep 29
€248,116 EUR
$277,197 USD
View
Price last confirmed 32 days ago
10 more retailers have this diamond
Prices start from €170,490 EURSave up to €69,983 EUR

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
10.50ct Round
€170,490 EUR