Round|Natural|GIA

5.26ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6512842881

Certificate GIA 6512842881

Diamond specifications and retailer prices

From $97,852 USD
As of November 2, 2026
Save $61,917 USD (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $159,769 USD at MOH London · As of November 1, 2026
View at MOH London

About this 5.26ct natural round diamond

This 5.26ct 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 GIA 6512842881. Listed at 8 retailers as of November 1, 2026, with prices from $97,852 to $159,769, a $61,917 spread on the same certified stone. MOH London lists it at $159,769. 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

5.26
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6512842881
Dimensions11.08 × 11.00 × 6.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
11.08 mm11.00 mm5.26 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512842881
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $159,769 USD|Low: $97,852 USD|High: $161,694 USD|Avg: $116,817 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$97,852 USD
Retailer 6$98,403 USD
Retailer 2$102,782 USD
Retailer 5$114,997 USD
Retailer 3$121,233 USD
MOH London$159,769 USD

37 data points across 6 retailers

8 retailers$97,852 USD to $159,769 USD

B+
Cheapest Retailer
-
$97,852 USD
B+
Retailer 2
-
$98,403 USD
View
B+
Retailer 3
-
$102,782 USD
£80,930 GBP
View
Retailer 4
-
$106,563 USD
View
Price last confirmed 36 days ago
B+
Retailer 5
-
$106,563 USD
View
B
Retailer 6
-
$114,997 USD
View
B
Retailer 7
-
$121,233 USD
€115,460 EUR
View
Most Expensive
B
MOH London
201DB1B9B · Nov 1
$159,769 USD
£125,802 GBP
View
7 more retailers have this diamond
Prices start from $97,852 USDSave up to $61,917 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+
5.26ct Round
$97,852 USD