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Emerald|Lab Grown|IGI

0.91ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG436045872

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045872

Diamond specifications and retailer prices

From $640 USD
As of October 29, 2026
Save $2,724 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,364 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown emerald diamond

This 0.91ct lab-grown emerald sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045872 or 436045872. Listed at 10 retailers as of October 29, 2026, with prices from $640 to $3,364, a $2,724 spread on the same certified stone. MOH London lists it at $3,364. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle18.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045872
Dimensions6.54 × 4.56 × 3.07 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
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Top View
6.54 mm4.56 mm0.91 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045872
Side View
Table 61.5%Crown 18.5°Girdle: MediumPavilion 41.6°Culet: LNGDepth 67.3%

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: $3,364 USD|Low: $640 USD|High: $3,834 USD|Avg: $1,563 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
Retailer 13
October 21, 2026
Retailer 7$640 USD
Retailer 6$770 USD
Retailer 12$837 USD
Retailer 13$861 USD
Retailer 8$893 USD
Retailer 11$893 USD
Retailer 3$1,070 USD
Retailer 4$1,381 USD
Retailer 9$1,444 USD
Retailer 2$2,123 USD
Retailer 10$2,510 USD
MOH London$3,364 USD
Retailer 5$3,834 USD

16 data points across 13 retailers

10 retailers$640 USD to $3,364 USD

A
Cheapest Retailer
-
$640 USD
B+
Retailer 2
-
$770 USD
View
B
Retailer 3
-
$837 USD
View
B
Retailer 4
-
$861 USD
View
Final sale: no returns
B
Retailer 5
-
$893 USD
View
B
Retailer 6
-
$893 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$1,444 USD
View
B
Retailer 8
-
$2,123 USD
View
B
Retailer 9
-
$2,510 USD
View
Most Expensive
B
MOH London
LG436045872 · Oct 29
$3,364 USD
£2,649 GBP
View
9 more retailers have this diamond
Prices start from $640 USDSave up to $2,724 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
$640 USD