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Round|Lab Grown|IGI

3.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811608542

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811608542

Diamond specifications and retailer prices

From £1,724 GBP
$2,310 USD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: £1,724 GBP at Brilliant Earth
View at Brilliant Earth

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 LG811608542 or 811608542. Listed at 9 retailers as of October 31, 2026. 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 angle33.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811608542
Dimensions9.29 × 9.32 × 5.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.29 mm9.32 mm3.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811608542
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £1,724 GBP|Low: £296 GBP|High: £1,724 GBP|Avg: £888 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
September 29, 2026
Retailer 16£296 GBP
Retailer 14£331 GBP
Retailer 3£362 GBP
Retailer 9£401 GBP
Retailer 4£493 GBP
Retailer 2£553 GBP
Retailer 13£594 GBP
Retailer 7£703 GBP
Retailer 11£780 GBP
Retailer 15£806 GBP
Retailer 12£1,168 GBP
Retailer 17£1,179 GBP
Retailer 8£1,206 GBP
Retailer 10£1,450 GBP
Retailer 5£1,486 GBP
Retailer 6£1,546 GBP
Brilliant Earth£1,724 GBP

9 data points across 17 retailers

9 retailers

Retailer 1
-
£296 GBP
$396 USD
Price last confirmed 33 days ago
Retailer 2
-
£331 GBP
$444 USD
View
Price last confirmed 39 days ago
Retailer 3
-
£362 GBP
$485 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£401 GBP
HK$4,200 HKD
View
Price last confirmed 58 days ago
Retailer 5
-
£780 GBP
ZAR 16,878 ZAR
View
Price last confirmed 35 days ago
Retailer 6
-
£806 GBP
$1,080 USD
View
Price last confirmed 33 days ago
Retailer 7
-
£1,179 GBP
$1,580 USD
View
Price last confirmed 35 days ago
Retailer 8
-
£1,486 GBP
$1,991 USD
View
Price last confirmed 46 days ago
Most Expensive
B
Brilliant Earth
20337830A · Oct 31
£1,724 GBP
$2,310 USD
View
8 more retailers have this diamond

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
£1,724 GBP