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Cushion|Lab Grown|IGI

3.05ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG843641949

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG843641949

Diamond specifications and retailer prices

From £1,040 GBP
$1,395 USD
As of November 2, 2026
Save £2,887 GBP (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,927 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion 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 LG843641949 or 843641949. Listed at 13 retailers as of October 31, 2026, with prices from £1,040 to £3,927, a £2,887 spread on the same certified stone. Taylor and Hart lists it at £3,927. 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 angle36.3°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641949
Dimensions11.66 × 7.52 × 4.85 mm
L/W Ratio1.55
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.66 mm7.52 mm3.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843641949
Side View
Table 51.0%Crown 36.3°Girdle: THN-STKPavilion 42.1°Culet: LargeDepth 64.5%

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 2
Current: £1,770 GBP|Low: £952 GBP|High: £4,284 GBP|Avg: £2,316 GBP|-7.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 2, 2026
Retailer 7£1,040 GBP
Retailer 4£1,183 GBP
Retailer 8£1,248 GBP
Retailer 3£1,437 GBP
Retailer 6£1,624 GBP
Retailer 1£1,770 GBP
Retailer 12£2,305 GBP
Retailer 9£2,703 GBP
Retailer 11£2,817 GBP
Retailer 10£3,227 GBP
Retailer 2£3,415 GBP
Retailer 5£3,593 GBP
Taylor and Hart£3,927 GBP

17 data points across 13 retailers

13 retailers£1,040 GBP to £3,927 GBP

A
Cheapest Retailer
-
£1,040 GBP
$1,395 USD
B+
Retailer 2
-
£1,183 GBP
HK$12,400 HKD
View
B+
Retailer 3
-
£1,248 GBP
$1,675 USD
View
B+
Retailer 4
-
£1,437 GBP
$1,929 USD
View
B+
Retailer 5
-
£1,624 GBP
€2,075 EUR
View
B+
Retailer 6
-
£1,770 GBP
$2,375 USD
View
Retailer 7
-
£2,305 GBP
A$4,759 AUD
View
Price last confirmed 11 days ago
B
Retailer 8
-
£2,703 GBP
View
Retailer 9
-
£2,817 GBP
ZAR 61,073 ZAR
View
Price last confirmed 8 days ago
B
Retailer 10
-
£3,227 GBP
$4,330 USD
View
B
Retailer 11
-
£3,415 GBP
SGD 6,193 SGD
View
B
Retailer 12
-
£3,593 GBP
View
Most Expensive
B
Taylor and Hart
5TSGTC9 · Oct 31
£3,927 GBP
$5,269 USD
View
12 more retailers have this diamond
Prices start from £1,040 GBPSave up to £2,887 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 Cushion
£1,040 GBP