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Round|Natural|GIA

6.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5231522527

Certificate GIA 5231522527

Diamond specifications and retailer prices

From $92,560 USD
As of October 31, 2026
Save $70,221 USD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $162,781 USD at MOH London · As of November 1, 2026
View at MOH London

About this 6.5ct natural round diamond

This 6.5ct natural round sits in the over five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231522527. Listed at 6 retailers as of October 31, 2026, with prices from $92,560 to $162,781, a $70,221 spread on the same certified stone. MOH London lists it at $162,781. 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

6.50
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5231522527
Dimensions11.75 × 11.85 × 7.49 mm
L/W Ratio1.01
Top View
11.75 mm11.85 mm6.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5231522527
Side View
Table 56.0%Crown 36.5°GirdlePavilion 41°Culet: NoneDepth 63.5%

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: Oct 31
Current: $162,781 USD|Low: $92,560 USD|High: $173,152 USD|Avg: $117,471 USD|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$92,560 USD
Retailer 6$94,456 USD
Retailer 7$100,482 USD
Retailer 2$103,685 USD
Retailer 5$104,229 USD
Retailer 3$126,468 USD
Retailer 8$132,783 USD
MOH London$162,781 USD

41 data points across 8 retailers

6 retailers$92,560 USD to $162,781 USD

A
Cheapest Retailer
-
$92,560 USD
A
Retailer 2
-
$94,456 USD
View
A
Retailer 3
-
$103,685 USD
£81,642 GBP
View
Retailer 4
-
$104,229 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$126,468 USD
€120,446 EUR
View
Most Expensive
B+
MOH London
F7C53D751 · Nov 1
$162,781 USD
£128,174 GBP
View
5 more retailers have this diamond
Prices start from $92,560 USDSave up to $70,221 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
6.50ct Round
$92,560 USD