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Emerald|Lab Grown|IGI

0.91ct E SI2 Emerald Lab Grown Diamond

ID • E/SI2 • IGI LG451078871

Shape and cutting style on the report: Emerald cut

Certificate IGI LG451078871

Diamond specifications and retailer prices

From $166 USD
HK$1,300 HKD
As of October 29, 2026
Save $708 USD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $874 USD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 0.91ct lab-grown emerald diamond

This 0.91ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451078871 or 451078871. Listed at 4 retailers as of October 29, 2026, with prices from $166 to $874, a $708 spread on the same certified stone. B2C Jewels lists it at $874. 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

0.91
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451078871
Dimensions6.24 × 4.54 × 3.13 mm
L/W Ratio1.37
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.24 mm4.54 mm0.91 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451078871
Side View
Table 65.0%Crown 24.5°Girdle: THK-VTKPavilion 40.6°Culet: LNGDepth 68.9%

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 29
Current: $874 USD|Low: $166 USD|High: $874 USD|Avg: $457 USD
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 4, 2026
Retailer 8$166 USD
Retailer 5$243 USD
Retailer 6$302 USD
Retailer 7$387 USD
Retailer 2$400 USD
Retailer 3$425 USD
Retailer 9$464 USD
Retailer 4$465 USD
Retailer 10$850 USD
B2C Jewels$874 USD

3 data points across 10 retailers

4 retailers$166 USD to $874 USD

A
Cheapest Retailer
-
$166 USD
HK$1,300 HKD
B+
Retailer 2
-
$400 USD
View
B
Retailer 3
-
$464 USD
£365 GBP
View
Most Expensive
B
B2C Jewels
19123911 · Oct 29
$874 USD
View
3 more retailers have this diamond
Prices start from $166 USDSave up to $708 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
0.91ct Emerald
$166 USD