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Emerald|Lab Grown|IGI

3.70ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG620485571

Shape and cutting style on the report: Emerald cut

Certificate IGI LG620485571

Diamond specifications and retailer prices

From £310 GBP
$415 USD
As of October 27, 2026
Save £2,437 GBP (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,746 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 3.7ct lab-grown emerald diamond

This 3.7ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620485571 or 620485571. Listed at 10 retailers as of October 27, 2026, with prices from £310 to £2,746, a £2,437 spread on the same certified stone. Do Amore Diamonds lists it at £2,746. 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

3.70
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620485571
Dimensions10.77 × 7.22 × 4.85 mm
L/W Ratio1.49
Culet sizeLong
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
10.77 mm7.22 mm3.70 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620485571
Side View
Table 65.0%Crown 34.2°Girdle: MED-STKPavilion 40.9°Culet: LNGDepth 67.2%

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 27
Current: £2,746 GBP|Low: £263 GBP|High: £2,948 GBP|Avg: £1,156 GBP|-6.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 28, 2026
Retailer 13£310 GBP
Retailer 10£347 GBP
Retailer 16£372 GBP
Retailer 14£607 GBP
Retailer 2£608 GBP
Retailer 5£736 GBP
Retailer 6£776 GBP
Retailer 11£901 GBP
Retailer 3£1,056 GBP
Retailer 12£1,077 GBP
Retailer 15£1,363 GBP
Retailer 7£1,477 GBP
Retailer 4£1,521 GBP
Retailer 9£1,559 GBP
Retailer 8£2,251 GBP
Do Amore Diamonds£2,746 GBP

25 data points across 16 retailers

10 retailers£310 GBP to £2,746 GBP

A
Cheapest Retailer
-
£310 GBP
$415 USD
A
Retailer 2
-
£347 GBP
$465 USD
View
A
Retailer 3
-
£372 GBP
$499 USD
View
Final sale: no returns
B+
Retailer 4
-
£607 GBP
$813 USD
View
B+
Retailer 5
-
£608 GBP
$815 USD
View
Retailer 6
-
£901 GBP
A$1,858 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
£1,077 GBP
$1,443 USD
View
B+
Retailer 8
-
£1,363 GBP
$1,826 USD
View
B+
Retailer 9
-
£1,559 GBP
View
Most Expensive
B
Do Amore Diamonds
27-EBCFC637F · Oct 27
£2,746 GBP
$3,680 USD
View
9 more retailers have this diamond
Prices start from £310 GBPSave up to £2,437 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
3.70ct Emerald
£310 GBP