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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 $797 AUD
$560 USD
As of October 30, 2026
Save $3,992 AUD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,789 AUD 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 $797 to $4,789, a $3,992 spread on the same certified stone. MOH London lists it at $4,789. 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
Colour
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 30
Current: $4,789 AUD|Low: $797 AUD|High: $5,458 AUD|Avg: $2,217 AUD|-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 30, 2026
Retailer 2$797 AUD
Retailer 7$1,096 AUD
Retailer 12$1,192 AUD
Retailer 13$1,226 AUD
Retailer 8$1,271 AUD
Retailer 11$1,271 AUD
Retailer 3$1,523 AUD
Retailer 4$1,966 AUD
Retailer 9$2,056 AUD
Retailer 6$3,022 AUD
Retailer 10$3,573 AUD
MOH London$4,789 AUD
Retailer 5$5,458 AUD

17 data points across 13 retailers

10 retailers$797 AUD to $4,789 AUD

A
Cheapest Retailer
-
$797 AUD
$560 USD
B+
Retailer 2
-
$1,096 AUD
$770 USD
View
B+
Retailer 3
-
$1,192 AUD
$837 USD
View
B+
Retailer 4
-
$1,226 AUD
$861 USD
View
Final sale: no returns
B
Retailer 5
-
$1,271 AUD
$893 USD
View
Retailer 6
-
$1,271 AUD
$893 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,056 AUD
$1,444 USD
View
B
Retailer 8
-
$3,022 AUD
$2,123 USD
View
B
Retailer 9
-
$3,573 AUD
$2,510 USD
View
Most Expensive
B
MOH London
LG436045872 · Oct 29
$4,789 AUD
£2,649 GBP
View
9 more retailers have this diamond
Prices start from $797 AUDSave up to $3,992 AUD

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
$797 AUD