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0.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • GIA 2306907755

Certificate GIA 2306907755

Diamond specifications and retailer prices

From £649 GBP
As of November 5, 2026
3 retailers carry this diamond
Most expensive: £1,173 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 0.5ct lab-grown round diamond

This 0.5ct lab-grown round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2306907755. Listed at 3 retailers as of November 5, 2026. 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

0.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2306907755
Dimensions5.09 × 5.12 × 3.10 mm
L/W Ratio1.01
Top View
5.09 mm5.12 mm0.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2306907755
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £1,173 GBP|Low: £354 GBP|High: £1,191 GBP|Avg: £657 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7£354 GBP
Retailer 6£377 GBP
Retailer 4£592 GBP
Retailer 8£611 GBP
Retailer 3£639 GBP
Retailer 2£649 GBP
Retailer 9£685 GBP
Retailer 5£770 GBP
Retailer 10£802 GBP
MOH London£1,173 GBP

7 data points across 10 retailers

3 retailers

B+
Cheapest Retailer
-
£649 GBP
Retailer 2
-
£770 GBP
View
Price last confirmed 16 days ago
Most Expensive
MOH London
340E1DD3C · Oct 21
£1,173 GBP
View
Price last confirmed 16 days ago
2 more retailers have this diamond
Prices start from £649 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+
0.50ct Round
£649 GBP