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Emerald|Lab Grown|IGI

0.99ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG579359474

Shape and cutting style on the report: Emerald cut

Certificate IGI LG579359474

Diamond specifications and retailer prices

From $201 AUD
$141 USD
As of October 29, 2026
Save $965 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,166 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 0.99ct lab-grown emerald diamond

This 0.99ct lab-grown emerald sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579359474 or 579359474. Listed at 17 retailers as of October 25, 2026, with prices from $201 to $1,166, a $965 spread on the same certified stone. MOH London lists it at $1,166. 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

0.99
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359474
Dimensions6.69 × 4.73 × 3.18 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.69 mm4.73 mm0.99 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG579359474
Side View
Table 64.0%Crown 40.3°Girdle: Slightly ThickPavilion 39.9°Culet: LNGDepth 67.2%

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: $1,166 AUD|Low: $159 AUD|High: $1,179 AUD|Avg: $513 AUD|-0.9%
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
Retailer 14
October 31, 2026
Retailer 10$201 AUD
Retailer 4$225 AUD
Retailer 9$233 AUD
Retailer 12$249 AUD
Retailer 14$353 AUD
Retailer 2$427 AUD
Retailer 7$447 AUD
Retailer 8$473 AUD
Retailer 6$496 AUD
Retailer 5$596 AUD
Retailer 11$801 AUD
Retailer 13$846 AUD
Retailer 3$897 AUD
MOH London$1,166 AUD

43 data points across 14 retailers

17 retailers$201 AUD to $1,166 AUD

A
Cheapest Retailer
-
$201 AUD
$141 USD
A
Retailer 2
-
$225 AUD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
$233 AUD
$164 USD
View
A
Retailer 4
-
$249 AUD
$175 USD
View
A
Retailer 5
-
$292 AUD
HK$1,600 HKD
View
B+
Retailer 6
-
$353 AUD
$248 USD
View
Retailer 7
-
$416 AUD
£230 GBP
View
Price last confirmed 15 days ago
A
Retailer 8
-
$427 AUD
£236 GBP
View
A
Retailer 9
-
$447 AUD
€299 EUR
View
A
Retailer 10
-
$473 AUD
£262 GBP
View
A
Retailer 11
-
$496 AUD
$348 USD
View
B+
Retailer 12
-
$596 AUD
$419 USD
View
B+
Retailer 13
-
$717 AUD
SGD 681 SGD
View
B+
Retailer 14
-
$801 AUD
$563 USD
View
B+
Retailer 15
-
$846 AUD
$594 USD
View
B
Retailer 16
-
$897 AUD
$630 USD
View
Most Expensive
B
MOH London
LG579359474 · Oct 25
$1,166 AUD
£645 GBP
View
16 more retailers have this diamond
Prices start from $201 AUDSave up to $965 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
0.99ct Emerald
$201 AUD