Round|Natural|GIA

5.59ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2225330188

Certificate GIA 2225330188

Diamond specifications and retailer prices

From £93,720 GBP
$125,574 USD
As of October 30, 2026
Save £59,242 GBP (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £152,961 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 5.59ct natural round diamond

This 5.59ct 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 2225330188. Listed at 7 retailers as of October 30, 2026, with prices from £93,720 to £152,961, a £59,242 spread on the same certified stone. MOH London lists it at £152,961. 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

5.59
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2225330188
Dimensions11.36 × 11.41 × 7.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
11.36 mm11.41 mm5.59 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225330188
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.7%

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: £152,961 GBP|Low: £93,720 GBP|High: £192,959 GBP|Avg: £113,214 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5£93,720 GBP
Retailer 7£94,247 GBP
Retailer 3£96,407 GBP
Retailer 4£101,329 GBP
Retailer 6£102,023 GBP
Retailer 2£118,311 GBP
MOH London£152,961 GBP

15 data points across 7 retailers

7 retailers£93,720 GBP to £152,961 GBP

B+
Cheapest Retailer
-
£93,720 GBP
$125,574 USD
B+
Retailer 2
-
£94,247 GBP
$126,281 USD
View
B+
Retailer 3
-
£96,407 GBP
View
B+
Retailer 4
-
£101,329 GBP
$135,770 USD
View
B+
Retailer 5
-
£102,023 GBP
$136,699 USD
View
B
Retailer 6
-
£118,311 GBP
€150,975 EUR
View
Most Expensive
B
MOH London
910A97658 · Nov 1
£152,961 GBP
View
6 more retailers have this diamond
Prices start from £93,720 GBPSave up to £59,242 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+
5.59ct Round
£93,720 GBP