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Round|Lab Grown|IGI

0.30ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LGY-24079

Certificate IGI LGY-24079

Diamond specifications and retailer prices

From £291 GBP
$390 USD
As of October 29, 2026
Save £63 GBP (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £355 GBP at Fonder Diamond · As of October 29, 2026
View at Fonder Diamond

About this 0.3ct lab-grown round diamond

This 0.3ct lab-grown round sits in the sub-half-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LGY-24079 or Y-24079. Listed at 2 retailers as of October 29, 2026, with prices from £291 to £355, a £63 spread on the same certified stone. Fonder Diamond lists it at £355. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.30
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGY-24079
Dimensions4.35 × 4.32 × 2.64 mm
L/W Ratio1.01
Top View
4.35 mm4.32 mm0.30 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LGY-24079
Side View
Table 60.0%CrownGirdlePavilionCulet: NoneDepth 60.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £355 GBP|Low: £231 GBP|High: £809 GBP|Avg: £404 GBP|-0.3%
Fonder Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 13, 2026
Retailer 4£231 GBP
Retailer 3£291 GBP
Retailer 2£328 GBP
Fonder Diamond£355 GBP
Retailer 6£407 GBP
Retailer 5£809 GBP

4 data points across 6 retailers

2 retailers£291 GBP to £355 GBP

B
Cheapest Retailer
-
£291 GBP
$390 USD
Most Expensive
B
Fonder Diamond
73276128 · Oct 29
£355 GBP
SGD 642 SGD
View
1 more retailer has this diamond
Prices start from £291 GBPSave up to £63 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
0.30ct Round
£291 GBP