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Emerald|Lab Grown|IGI

1.55ct G VVS1 Emerald Lab Grown Diamond

EX • G/VVS1 • IGI LG771643630

Shape and cutting style on the report: Emerald cut

Certificate IGI LG771643630

Diamond specifications and retailer prices

From £358 GBP
€457 EUR
As of October 29, 2026
Save £552 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £909 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG771643630 or 771643630. Listed at 8 retailers as of October 29, 2026, with prices from £358 to £909, a £552 spread on the same certified stone. Rare Carat lists it at £909. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771643630
Dimensions7.80 × 5.37 × 3.70 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm5.37 mm1.55 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771643630
Side View
Table 65.0%Crown 35.6°Girdle: STK-THKPavilion 40.2°Culet: LargeDepth 68.9%

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 29
Current: £909 GBP|Low: £347 GBP|High: £917 GBP|Avg: £566 GBP|-0.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 4£358 GBP
Retailer 7£362 GBP
Retailer 2£400 GBP
Retailer 6£459 GBP
Retailer 5£496 GBP
Retailer 8£727 GBP
Retailer 3£857 GBP
Rare Carat£909 GBP

43 data points across 8 retailers

8 retailers£358 GBP to £909 GBP

A
Cheapest Retailer
-
£358 GBP
€457 EUR
A
Retailer 2
-
£362 GBP
$486 USD
View
A
Retailer 3
-
£400 GBP
View
B+
Retailer 4
-
£459 GBP
$616 USD
View
B+
Retailer 5
-
£496 GBP
$666 USD
View
B+
Retailer 6
-
£727 GBP
$976 USD
View
B
Retailer 7
-
£857 GBP
View
Most Expensive
B
Rare Carat
DGD-DNG-15182 · Nov 1
£909 GBP
$1,220 USD
View
7 more retailers have this diamond
Prices start from £358 GBPSave up to £552 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
1.55ct Emerald
£358 GBP