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Round|Lab Grown|IGI

3.05ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG816620229

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816620229

Diamond specifications and retailer prices

From £355 GBP
$475 USD
As of November 1, 2026
Save £2,638 GBP (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,993 GBP at Brilliant Earth · As of October 31, 2026
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 LG816620229 or 816620229. Listed at 17 retailers as of October 31, 2026, with prices from £355 to £2,993, a £2,638 spread on the same certified stone. Brilliant Earth lists it at £2,993. 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 angle34.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816620229
Dimensions9.33 × 9.29 × 5.69 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
9.33 mm9.29 mm3.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816620229
Side View
Table 58.0%Crown 34.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: Nov 1
Current: £2,993 GBP|Low: £343 GBP|High: £3,082 GBP|Avg: £1,040 GBP|-2.9%
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
Retailer 16
November 1, 2026
Retailer 7£355 GBP
Retailer 8£396 GBP
Retailer 5£397 GBP
Retailer 16£439 GBP
Retailer 13£545 GBP
Retailer 12£686 GBP
Retailer 3£723 GBP
Retailer 10£928 GBP
Retailer 11£953 GBP
Retailer 9£1,029 GBP
Retailer 2£1,355 GBP
Retailer 6£1,393 GBP
Retailer 4£1,412 GBP
Retailer 14£1,434 GBP
Retailer 15£1,615 GBP
Brilliant Earth£2,993 GBP

41 data points across 16 retailers

17 retailers£355 GBP to £2,993 GBP

A
Cheapest Retailer
-
£355 GBP
$475 USD
A
Retailer 2
-
£396 GBP
$531 USD
View
Final sale: no returns
A
Retailer 3
-
£397 GBP
$532 USD
View
A
Retailer 4
-
£439 GBP
$588 USD
View
Retailer 5
-
£443 GBP
$594 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
£545 GBP
$730 USD
View
A
Retailer 7
-
£686 GBP
$919 USD
View
A
Retailer 8
-
£723 GBP
$969 USD
View
B+
Retailer 9
-
£928 GBP
A$1,912 AUD
View
B+
Retailer 10
-
£953 GBP
ZAR 20,637 ZAR
View
B+
Retailer 11
-
£1,029 GBP
$1,379 USD
View
B
Retailer 12
-
£1,355 GBP
$1,815 USD
View
B
Retailer 13
-
£1,393 GBP
SGD 2,523 SGD
View
B
Retailer 14
-
£1,412 GBP
$1,892 USD
View
B
Retailer 15
-
£1,434 GBP
$1,921 USD
View
Retailer 16
-
£1,615 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21492179A · Oct 31
£2,993 GBP
$4,010 USD
View
16 more retailers have this diamond
Prices start from £355 GBPSave up to £2,638 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
3.05ct Round
£355 GBP