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Emerald|Lab Grown|IGI

3.45ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG773644273

Shape and cutting style on the report: Emerald cut

Certificate IGI LG773644273

Diamond specifications and retailer prices

From £497 GBP
$666 USD
As of October 30, 2026
Save £525 GBP (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,241 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 3.45ct lab-grown emerald diamond

This 3.45ct 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 LG773644273 or 773644273. Listed at 5 retailers as of October 29, 2026, with a 106% 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

3.45
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773644273
Dimensions10.16 × 7.36 × 4.90 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm7.36 mm3.45 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773644273
Side View
Table 67.0%Crown 35.6°Girdle: MediumPavilion 40.1°Culet: LargeDepth 66.6%

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: Oct 30
Current: £1,241 GBP|Low: £478 GBP|High: £1,247 GBP|Avg: £809 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 20, 2026
Retailer 4£497 GBP
Retailer 3£557 GBP
Retailer 2£877 GBP
Retailer 5£1,022 GBP
MOH London£1,241 GBP

6 data points across 5 retailers

5 retailers£497 GBP to £1,022 GBP

B+
Cheapest Retailer
-
£497 GBP
$666 USD
A
Retailer 2
-
£557 GBP
$746 USD
View
A
Retailer 3
-
£877 GBP
$1,175 USD
View
B+
Retailer 4
-
£1,022 GBP
$1,370 USD
View
Most Expensive
MOH London
LG773644273 · Oct 21
£1,241 GBP
View
Price last confirmed 9 days ago
4 more retailers have this diamond
Prices start from £497 GBPSave up to £525 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
3.45ct Emerald
£497 GBP