Round|Natural|GIA

8.37ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2231578033

Certificate GIA 2231578033

Diamond specifications and retailer prices

From $242,776 CAD
$173,796 USD
As of October 31, 2026
Save $178,513 CAD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $421,289 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 8.37ct natural round diamond

This 8.37ct 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 2231578033. Listed at 12 retailers as of October 31, 2026, with prices from $242,776 to $421,289, a $178,513 spread on the same certified stone. MOH London lists it at $421,289. 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

8.37
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2231578033
Dimensions13.35 × 13.28 × 7.94 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Top View
13.35 mm13.28 mm8.37 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231578033
Side View
Table 56.0%Crown 31.5°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $421,289 CAD|Low: $242,776 CAD|High: $441,944 CAD|Avg: $296,107 CAD|-4.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 8$242,776 CAD
Retailer 10$248,144 CAD
Retailer 2$263,394 CAD
Retailer 7$280,037 CAD
Retailer 13$280,037 CAD
Retailer 4$280,991 CAD
Retailer 11$280,991 CAD
Retailer 5$282,600 CAD
Retailer 9$289,368 CAD
Retailer 3$292,230 CAD
Retailer 12$303,470 CAD
Retailer 6$327,306 CAD
MOH London$421,289 CAD

38 data points across 13 retailers

12 retailers$242,776 CAD to $421,289 CAD

B+
Cheapest Retailer
-
$242,776 CAD
$173,796 USD
Final sale: no returns
B+
Retailer 2
-
$248,144 CAD
$177,639 USD
View
B+
Retailer 3
-
$263,394 CAD
£148,469 GBP
View
B
Retailer 4
-
$280,037 CAD
$200,470 USD
View
B
Retailer 5
-
$280,037 CAD
$200,470 USD
View
B
Retailer 6
-
$280,991 CAD
$201,153 USD
View
B
Retailer 7
-
$280,991 CAD
$201,153 USD
View
B
Retailer 8
-
$289,368 CAD
$207,150 USD
View
B
Retailer 9
-
$292,230 CAD
$209,199 USD
View
B
Retailer 10
-
$303,470 CAD
$217,245 USD
View
B
Retailer 11
-
$327,306 CAD
€223,151 EUR
View
Most Expensive
B
MOH London
9E1BB26EC · Nov 1
$421,289 CAD
£237,471 GBP
View
11 more retailers have this diamond
Prices start from $242,776 CADSave up to $178,513 CAD

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+
8.37ct Round
$242,776 CAD