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5.26ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6512842881

Certificate GIA 6512842881

Diamond specifications and retailer prices

From €87,586 EUR
$97,852 USD
As of October 30, 2026
Save €56,187 EUR (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €143,773 EUR at MOH London · As of October 29, 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 October 29, 2026, with prices from €87,586 to €143,773, a €56,187 spread on the same certified stone. MOH London lists it at €143,773. 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

How it works →
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: Oct 30
Current: €143,773 EUR|Low: €87,586 EUR|High: €144,731 EUR|Avg: €104,322 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4€87,586 EUR
Retailer 6€88,079 EUR
Retailer 2€91,999 EUR
Retailer 5€102,932 EUR
Retailer 3€109,281 EUR
MOH London€143,773 EUR

37 data points across 6 retailers

8 retailers€87,586 EUR to €143,773 EUR

B+
Cheapest Retailer
-
€87,586 EUR
$97,852 USD
B+
Retailer 2
-
€88,079 EUR
$98,403 USD
View
B+
Retailer 3
-
€91,999 EUR
£80,930 GBP
View
Retailer 4
-
€95,383 EUR
$106,563 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
€95,383 EUR
$106,563 USD
View
B
Retailer 6
-
€102,932 EUR
$114,997 USD
View
B
Retailer 7
-
€109,281 EUR
View
Most Expensive
B
MOH London
201DB1B9B · Oct 29
€143,773 EUR
£126,476 GBP
View
7 more retailers have this diamond
Prices start from €87,586 EURSave up to €56,187 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.

B+
5.26ct Round
€87,586 EUR