Emerald|Lab Grown|IGI

4.99ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG758503845

Shape and cutting style on the report: Emerald cut

Certificate IGI LG758503845

Diamond specifications and retailer prices

From $1,281 USD
As of October 29, 2026
Save $1,987 USD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,540 USD at Rare Carat · As of September 27, 2026
View at Rare Carat

About this 4.99ct lab-grown emerald diamond

This 4.99ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758503845 or 758503845. Listed at 6 retailers as of October 29, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.99
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle44.6°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503845
Dimensions11.30 × 7.99 × 5.63 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm7.99 mm4.99 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG758503845
Side View
Table 66.0%Crown 44.6°Girdle: MediumPavilion 43.2°Culet: LargeDepth 70.5%

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: $3,540 USD|Low: $1,168 USD|High: $3,760 USD|Avg: $1,997 USD|-5.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5$1,281 USD
Retailer 3$1,298 USD
Retailer 2$1,327 USD
Retailer 6$1,344 USD
Retailer 4$3,268 USD
Rare Carat$3,540 USD

31 data points across 6 retailers

6 retailers$1,281 USD to $3,268 USD

B+
Cheapest Retailer
-
$1,281 USD
A
Retailer 2
-
$1,298 USD
€1,236 EUR
View
A
Retailer 3
-
$1,327 USD
£1,045 GBP
View
B+
Retailer 4
-
$1,344 USD
View
B
Retailer 5
-
$3,268 USD
£2,573 GBP
View
Most Expensive
Rare Carat
29V758503845 · Sep 27
$3,540 USD
View
Price last confirmed 32 days ago
5 more retailers have this diamond
Prices start from $1,281 USDSave up to $1,987 USD

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
4.99ct Emerald
$1,281 USD