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 $190,369 USD
₹18,130,414 INR
As of November 2, 2026
Save $58,964 USD (24%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $277,197 USD 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 November 1, 2026, with a 31% 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: Nov 2
Current: $204,136 USD|Low: $190,039 USD|High: $268,657 USD|Avg: $232,704 USD|-8.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 2$190,369 USD
Retailer 4$193,340 USD
Retailer 1$204,136 USD
Retailer 6$204,713 USD
Retailer 7$239,450 USD
Retailer 8$246,398 USD
Retailer 3$248,925 USD
Retailer 5$249,334 USD

38 data points across 8 retailers

11 retailers$190,369 USD to $249,334 USD

A
Cheapest Retailer
-
$190,369 USD
₹18,130,414 INR
A
Retailer 2
-
$193,340 USD
View
A
Retailer 3
-
$204,136 USD
£160,737 GBP
View
A
Retailer 4
-
$204,713 USD
View
Final sale: no returns
Retailer 5
-
$232,526 USD
View
Price last confirmed 37 days ago
B+
Retailer 6
-
$239,450 USD
View
B+
Retailer 7
-
$248,925 USD
€237,071 EUR
View
B+
Retailer 8
-
$249,334 USD
ZAR 4,028,006 ZAR
View
Retailer 9
-
$256,664 USD
View
Price last confirmed 34 days ago
Retailer 10
-
$266,931 USD
View
Price last confirmed 32 days ago
Most Expensive
Aurelinne
9a8cfbed-8a85-423b-9e0e-0e2840976796 · Sep 29
$277,197 USD
View
Price last confirmed 34 days ago
10 more retailers have this diamond
Prices start from $190,369 USDSave up to $58,964 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
10.50ct Round
$190,369 USD