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Emerald|Lab Grown|IGI

3.53ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG840644971

Shape and cutting style on the report: Emerald cut

Certificate IGI LG840644971

Diamond specifications and retailer prices

From £240 GBP
$321 USD
As of October 30, 2026
Save £1,068 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,308 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.53ct lab-grown emerald diamond

This 3.53ct 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 LG840644971 or 840644971. Listed at 10 retailers as of October 30, 2026, with prices from £240 to £1,308, a £1,068 spread on the same certified stone. With Clarity lists it at £1,308. 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

3.53
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840644971
Dimensions10.30 × 7.22 × 4.79 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm7.22 mm3.53 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840644971
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: LargeDepth 66.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £483 GBP|Low: £240 GBP|High: £1,498 GBP|Avg: £790 GBP|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
October 29, 2026
Retailer 7£240 GBP
Retailer 5£278 GBP
Retailer 1£483 GBP
Retailer 8£605 GBP
Retailer 2£627 GBP
Retailer 6£872 GBP
Retailer 4£873 GBP
Retailer 9£955 GBP
Retailer 3£1,192 GBP
With Clarity£1,308 GBP

22 data points across 10 retailers

10 retailers£240 GBP to £1,308 GBP

A
Cheapest Retailer
-
£240 GBP
$321 USD
A
Retailer 2
-
£278 GBP
$372 USD
View
A
Retailer 3
-
£483 GBP
€616 EUR
View
A
Retailer 4
-
£605 GBP
$811 USD
View
A
Retailer 5
-
£627 GBP
A$1,292 AUD
View
A
Retailer 6
-
£872 GBP
$1,168 USD
View
B+
Retailer 7
-
£873 GBP
$1,170 USD
View
A
Retailer 8
-
£955 GBP
$1,280 USD
View
B+
Retailer 9
-
£1,192 GBP
View
Most Expensive
B+
With Clarity
840644971 · Oct 30
£1,308 GBP
$1,752 USD
View
9 more retailers have this diamond
Prices start from £240 GBPSave up to £1,068 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
3.53ct Emerald
£240 GBP