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Round|Lab Grown|GIA

0.50ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • GIA 7306749146

Certificate GIA 7306749146

Diamond specifications and retailer prices

From £351 GBP
$470 USD
As of October 31, 2026
Save £803 GBP (70%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,154 GBP at MOH London · As of November 1, 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 7306749146. Listed at 5 retailers as of October 31, 2026, with prices from £351 to £1,154, a £803 spread on the same certified stone. MOH London lists it at £1,154. 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 7306749146
Dimensions5.06 × 5.02 × 3.19 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.06 mm5.02 mm0.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7306749146
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.2%

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: £1,154 GBP|Low: £351 GBP|High: £1,154 GBP|Avg: £622 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£351 GBP
Retailer 5£374 GBP
Retailer 3£613 GBP
Retailer 2£638 GBP
Retailer 6£695 GBP
Retailer 7£806 GBP
MOH London£1,154 GBP

2 data points across 7 retailers

5 retailers£351 GBP to £1,154 GBP

A
Cheapest Retailer
-
£351 GBP
$470 USD
Final sale: no returns
B+
Retailer 2
-
£374 GBP
₹47,681 INR
View
B
Retailer 3
-
£613 GBP
View
B
Retailer 4
-
£638 GBP
$855 USD
View
Most Expensive
B
MOH London
24BFDF2EF · Nov 1
£1,154 GBP
View
4 more retailers have this diamond
Prices start from £351 GBPSave up to £803 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
0.50ct Round
£351 GBP