Emerald|Lab Grown|IGI

3.55ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG786681504

Shape and cutting style on the report: Emerald cut

Certificate IGI LG786681504

Diamond specifications and retailer prices

From £651 GBP
€831 EUR
As of October 29, 2026
Save £891 GBP (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,549 GBP at Rare Carat · As of September 27, 2026
View at Rare Carat

About this 3.55ct lab-grown emerald diamond

This 3.55ct 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 LG786681504 or 786681504. Listed at 9 retailers as of October 29, 2026, with a 137% 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

3.55
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786681504
Dimensions10.60 × 6.88 × 4.62 mm
L/W Ratio1.54
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.60 mm6.88 mm3.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786681504
Side View
Table 68.0%Crown 29.7°Girdle: MED-STKPavilion 39.4°Culet: LargeDepth 67.2%

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: £1,519 GBP|Low: £551 GBP|High: £1,553 GBP|Avg: £1,059 GBP|-1.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2£651 GBP
Retailer 5£655 GBP
Retailer 4£711 GBP
Retailer 6£941 GBP
Retailer 7£1,367 GBP
Rare Carat£1,519 GBP
Retailer 3£1,542 GBP

17 data points across 7 retailers

9 retailers£651 GBP to £1,542 GBP

A
Cheapest Retailer
-
£651 GBP
€831 EUR
B+
Retailer 2
-
£655 GBP
$877 USD
View
A
Retailer 3
-
£711 GBP
$953 USD
View
A
Retailer 4
-
£941 GBP
$1,261 USD
View
B+
Retailer 5
-
£1,367 GBP
$1,831 USD
View
B+
Retailer 6
-
£1,459 GBP
$1,955 USD
View
Retailer 7
-
£1,519 GBP
$2,035 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£1,542 GBP
View
Most Expensive
Rare Carat
29V786681504 · Sep 27
£1,549 GBP
$2,075 USD
View
Price last confirmed 33 days ago
8 more retailers have this diamond
Prices start from £651 GBPSave up to £891 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
3.55ct Emerald
£651 GBP