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Emerald|Lab Grown|IGI

3.17ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG530299140

Shape and cutting style on the report: Emerald cut

Certificate IGI LG530299140

Diamond specifications and retailer prices

From $4,830 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $18,500 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.17ct lab-grown emerald diamond

This 3.17ct 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 LG530299140 or 530299140. Listed at 11 retailers as of October 29, 2026. 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

3.17
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle18.9°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530299140
Dimensions10.09 × 7.05 × 4.48 mm
L/W Ratio1.43
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
10.09 mm7.05 mm3.17 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530299140
Side View
Table 64.0%Crown 18.9°Girdle: ThinPavilion 37.6°Culet: LNGDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $18,500 USD|Low: $4,830 USD|High: $18,647 USD|Avg: $11,074 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$4,830 USD
Retailer 4$7,852 USD
Retailer 6$9,875 USD
Retailer 12$10,270 USD
Retailer 10$10,735 USD
Retailer 3$11,059 USD
Retailer 8$11,455 USD
Retailer 11$11,455 USD
Retailer 9$12,229 USD
Retailer 5$12,539 USD
Retailer 2$13,577 USD
MOH London$18,500 USD

40 data points across 12 retailers

11 retailers

B
Cheapest Retailer
-
$4,830 USD
B
Retailer 2
-
$13,577 USD
£10,691 GBP
View
Price under review
Most Expensive
B
MOH London
LG530299140 · Oct 29
$18,500 USD
£14,567 GBP
View
Price under review
2 more retailers have this diamond
Prices start from $4,830 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.

B
3.17ct Emerald
$4,830 USD