Round|Natural|GIA

5.50ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5523146050

Certificate GIA 5523146050

Diamond specifications and retailer prices

From £90,674 GBP
$121,493 USD
As of October 30, 2026
Save £57,324 GBP (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £147,997 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 5.5ct natural round diamond

This 5.5ct natural round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5523146050. Listed at 11 retailers as of October 30, 2026, with prices from £90,674 to £147,997, a £57,324 spread on the same certified stone. MOH London lists it at £147,997. 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

5.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5523146050
Dimensions11.24 × 11.16 × 6.99 mm
L/W Ratio1.01
Top View
11.24 mm11.16 mm5.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523146050
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.4%

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 30
Current: £147,997 GBP|Low: £90,674 GBP|High: £149,780 GBP|Avg: £106,875 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4£90,674 GBP
Retailer 5£91,184 GBP
Retailer 3£93,275 GBP
Retailer 6£98,036 GBP
Retailer 2£112,340 GBP
MOH London£147,997 GBP

38 data points across 6 retailers

11 retailers£90,674 GBP to £147,997 GBP

B+
Cheapest Retailer
-
£90,674 GBP
$121,493 USD
B+
Retailer 2
-
£91,184 GBP
$122,177 USD
View
B+
Retailer 3
-
£93,275 GBP
View
B+
Retailer 4
-
£98,036 GBP
$131,358 USD
View
B+
Retailer 5
-
£98,411 GBP
$131,860 USD
View
B+
Retailer 6
-
£98,411 GBP
$131,860 USD
View
B+
Retailer 7
-
£98,711 GBP
$132,262 USD
View
B+
Retailer 8
-
£100,447 GBP
$134,587 USD
View
B
Retailer 9
-
£101,695 GBP
$136,260 USD
View
B+
Retailer 10
-
£112,340 GBP
€143,356 EUR
View
Most Expensive
B
MOH London
68E6BFBB2 · Nov 1
£147,997 GBP
View
10 more retailers have this diamond
Prices start from £90,674 GBPSave up to £57,324 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.

B+
5.50ct Round
£90,674 GBP