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Emerald|Lab Grown|IGI

3.51ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG474118029

Shape and cutting style on the report: Emerald cut

Certificate IGI LG474118029

Diamond specifications and retailer prices

From £2,512 GBP
$3,366 USD
As of October 30, 2026
Save £5,714 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £8,226 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.51ct lab-grown emerald diamond

This 3.51ct lab-grown emerald 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 LG474118029 or 474118029. Listed at 13 retailers as of October 29, 2026, with prices from £2,512 to £8,226, a £5,714 spread on the same certified stone. Cape Diamonds lists it at £8,226. 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

3.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474118029
Dimensions10.07 × 7.34 × 4.86 mm
L/W Ratio1.37
Culet sizeLarge
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
10.07 mm7.34 mm3.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG474118029
Side View
Table 63.5%Crown 31.2°Girdle: MED-STKPavilion 40.9°Culet: LargeDepth 66.2%

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 30
Current: £8,226 GBP|Low: £2,512 GBP|High: £12,589 GBP|Avg: £5,106 GBP|-7.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 5£2,512 GBP
Retailer 6£2,767 GBP
Retailer 12£3,090 GBP
Retailer 10£3,097 GBP
Retailer 7£3,210 GBP
Retailer 9£3,210 GBP
Retailer 4£3,325 GBP
Retailer 3£4,565 GBP
Retailer 11£4,970 GBP
Retailer 8£4,975 GBP
Retailer 2£7,600 GBP
Cape Diamonds£8,226 GBP
Retailer 13£12,589 GBP

18 data points across 13 retailers

13 retailers£2,512 GBP to £8,226 GBP

B
Cheapest Retailer
-
£2,512 GBP
$3,366 USD
B
Retailer 2
-
£2,767 GBP
$3,708 USD
View
B
Retailer 3
-
£3,011 GBP
$4,034 USD
View
B
Retailer 4
-
£3,090 GBP
CA$5,750 CAD
View
B
Retailer 5
-
£3,097 GBP
$4,149 USD
View
B
Retailer 6
-
£3,210 GBP
$4,301 USD
View
Retailer 7
-
£3,210 GBP
$4,301 USD
View
Price last confirmed 18 days ago
B
Retailer 8
-
£4,427 GBP
$5,932 USD
View
B
Retailer 9
-
£4,970 GBP
View
B
Retailer 10
-
£4,975 GBP
$6,666 USD
View
B
Retailer 11
-
£7,600 GBP
View
Most Expensive
B
Cape Diamonds
cert_474118029 · Oct 29
£8,226 GBP
ZAR 178,064 ZAR
View
11 more retailers have this diamond
Prices start from £2,512 GBPSave up to £5,714 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
3.51ct Emerald
£2,512 GBP