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8.37ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2231578033

Certificate GIA 2231578033

Diamond specifications and retailer prices

From $173,796 USD
As of October 31, 2026
Save $129,406 USD (43%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $303,202 USD at MOH London · As of October 29, 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 29, 2026, with prices from $173,796 to $303,202, a $129,406 spread on the same certified stone. MOH London lists it at $303,202. 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: $303,202 USD|Low: $173,796 USD|High: $316,375 USD|Avg: $211,978 USD|-4.2%
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$173,796 USD
Retailer 10$177,639 USD
Retailer 2$188,556 USD
Retailer 7$200,470 USD
Retailer 13$200,470 USD
Retailer 4$201,153 USD
Retailer 11$201,153 USD
Retailer 5$202,305 USD
Retailer 9$207,150 USD
Retailer 3$209,199 USD
Retailer 12$217,245 USD
Retailer 6$234,309 USD
MOH London$303,202 USD

38 data points across 13 retailers

12 retailers$173,796 USD to $303,202 USD

B+
Cheapest Retailer
-
$173,796 USD
Final sale: no returns
B+
Retailer 2
-
$177,639 USD
View
B+
Retailer 3
-
$188,556 USD
£148,469 GBP
View
B
Retailer 4
-
$200,470 USD
View
B
Retailer 5
-
$200,470 USD
View
B
Retailer 6
-
$201,153 USD
View
B
Retailer 7
-
$201,153 USD
View
B
Retailer 8
-
$207,150 USD
View
B
Retailer 9
-
$209,199 USD
View
B
Retailer 10
-
$217,245 USD
View
B
Retailer 11
-
$234,309 USD
€223,151 EUR
View
Most Expensive
B
MOH London
9E1BB26EC · Oct 29
$303,202 USD
£238,742 GBP
View
11 more retailers have this diamond
Prices start from $173,796 USDSave up to $129,406 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.

B+
8.37ct Round
$173,796 USD