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Round|Natural|GIA

6.53ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6233895111

Certificate GIA 6233895111

Diamond specifications and retailer prices

From £85,253 GBP
$114,230 USD
As of October 31, 2026
Save £68,709 GBP (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £153,962 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 6.53ct natural round diamond

This 6.53ct natural round sits in the over five carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6233895111. Listed at 22 retailers as of October 31, 2026, with prices from £85,253 to £153,962, a £68,709 spread on the same certified stone. MOH London lists it at £153,962. 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

6.53
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6233895111
Dimensions12.05 × 12.13 × 7.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
12.05 mm12.13 mm6.53 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233895111
Side View
Table 59.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 60.4%

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: £153,962 GBP|Low: £85,253 GBP|High: £155,817 GBP|Avg: £103,963 GBP|-0.9%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 6£85,253 GBP
Retailer 11£89,789 GBP
Retailer 9£96,078 GBP
Retailer 5£96,594 GBP
Retailer 3£98,464 GBP
Retailer 7£100,983 GBP
Retailer 4£101,367 GBP
Retailer 12£101,367 GBP
Retailer 10£102,690 GBP
Retailer 15£102,690 GBP
Retailer 13£104,740 GBP
Retailer 8£107,170 GBP
Retailer 14£110,905 GBP
Retailer 2£115,717 GBP
MOH London£153,962 GBP

42 data points across 15 retailers

22 retailers£85,253 GBP to £153,962 GBP

A
Cheapest Retailer
-
£85,253 GBP
$114,230 USD
A
Retailer 2
-
£85,496 GBP
$114,556 USD
View
A
Retailer 3
-
£88,628 GBP
$118,752 USD
View
A
Retailer 4
-
£89,789 GBP
$120,308 USD
View
B+
Retailer 5
-
£93,399 GBP
$125,145 USD
View
A
Retailer 6
-
£96,078 GBP
View
B+
Retailer 7
-
£96,594 GBP
$129,425 USD
View
Final sale: no returns
B+
Retailer 8
-
£98,464 GBP
$131,931 USD
View
Retailer 9
-
£98,582 GBP
$132,089 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£100,983 GBP
$135,306 USD
View
B+
Retailer 11
-
£101,367 GBP
$135,820 USD
View
B+
Retailer 12
-
£101,367 GBP
$135,820 USD
View
B+
Retailer 13
-
£102,181 GBP
$136,911 USD
View
B+
Retailer 14
-
£102,690 GBP
$137,593 USD
View
B+
Retailer 15
-
£102,690 GBP
$137,593 USD
View
B+
Retailer 16
-
£104,740 GBP
$140,340 USD
View
B+
Retailer 17
-
£105,492 GBP
$141,347 USD
View
B+
Retailer 18
-
£106,797 GBP
$143,096 USD
View
B+
Retailer 19
-
£107,170 GBP
View
B+
Retailer 20
-
£110,905 GBP
$148,600 USD
View
B+
Retailer 21
-
£115,717 GBP
€147,665 EUR
View
Most Expensive
B
MOH London
9F8F3F36B · Nov 1
£153,962 GBP
View
21 more retailers have this diamond
Prices start from £85,253 GBPSave up to £68,709 GBP

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
6.53ct Round
£85,253 GBP