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Round|Lab Grown|IGI

3.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG629402064

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629402064

Diamond specifications and retailer prices

From £1,005 GBP
CA$1,870 CAD
As of October 30, 2026
Save £324 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,468 GBP at Rare Carat · As of September 16, 2026
View at Rare Carat

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629402064 or 629402064. Listed at 3 retailers as of October 30, 2026, with a 32% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629402064
Dimensions9.29 × 9.25 × 5.78 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.29 mm9.25 mm3.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629402064
Side View
Table 55.0%Crown 35.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,468 GBP|Low: £199 GBP|High: £3,217 GBP|Avg: £1,112 GBP|+0.3%
Rare Carat
Retailer 2
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September 10, 2026
Retailer 4£207 GBP
Retailer 11£407 GBP
Retailer 12£433 GBP
Retailer 13£535 GBP
Retailer 8£537 GBP
Retailer 5£623 GBP
Retailer 14£735 GBP
Retailer 2£874 GBP
Retailer 15£968 GBP
Retailer 6£1,005 GBP
Retailer 9£1,268 GBP
Retailer 3£1,329 GBP
Rare Carat£1,468 GBP
Retailer 10£2,329 GBP
Retailer 7£3,217 GBP

58 data points across 15 retailers

3 retailers£1,005 GBP to £1,329 GBP

B+
Cheapest Retailer
-
£1,005 GBP
CA$1,870 CAD
B
Retailer 2
-
£1,329 GBP
$1,781 USD
View
Most Expensive
Rare Carat
100722896347_l_625418075 · Sep 16
£1,468 GBP
$1,967 USD
View
Price last confirmed 46 days ago
2 more retailers have this diamond
Prices start from £1,005 GBPSave up to £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+
3.05ct Round
£1,005 GBP