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Emerald|Lab Grown|IGI

1.01ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG407988459

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407988459

Diamond specifications and retailer prices

From $1,000 AUD
As of November 4, 2026
Save $4,112 AUD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,112 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.01ct lab-grown emerald diamond

This 1.01ct lab-grown emerald sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407988459 or 407988459. Listed at 11 retailers as of November 4, 2026, with prices from $1,000 to $5,112, a $4,112 spread on the same certified stone. MOH London lists it at $5,112. 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

1.01
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle23.9°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407988459
Dimensions6.98 × 4.75 × 3.16 mm
L/W Ratio1.47
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.98 mm4.75 mm1.01 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407988459
Side View
Table 64.0%Crown 23.9°Girdle: MediumPavilion 42.8°Culet: LNGDepth 66.5%

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: Nov 4
Current: $5,112 AUD|Low: $1,000 AUD|High: $5,194 AUD|Avg: $2,427 AUD|-0.3%
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
November 5, 2026
Retailer 7$1,000 AUD
Retailer 6$1,303 AUD
Retailer 12$1,417 AUD
Retailer 13$1,458 AUD
Retailer 8$1,511 AUD
Retailer 11$1,511 AUD
Retailer 3$1,764 AUD
Retailer 4$2,208 AUD
Retailer 9$2,424 AUD
Retailer 2$3,363 AUD
Retailer 10$4,250 AUD
Retailer 5$4,328 AUD
MOH London$5,112 AUD

16 data points across 13 retailers

11 retailers$1,000 AUD to $5,112 AUD

A
Cheapest Retailer
-
$1,000 AUD
B+
Retailer 2
-
$1,303 AUD
View
B+
Retailer 3
-
$1,417 AUD
View
B+
Retailer 4
-
$1,458 AUD
View
Final sale: no returns
B+
Retailer 5
-
$1,511 AUD
View
Retailer 6
-
$1,511 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,764 AUD
View
B
Retailer 8
-
$2,424 AUD
View
B
Retailer 9
-
$3,363 AUD
View
C
Retailer 10
-
$4,250 AUD
View
Most Expensive
B
MOH London
LG407988459 · Nov 5
$5,112 AUD
£2,818 GBP
View
10 more retailers have this diamond
Prices start from $1,000 AUDSave up to $4,112 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
1.01ct Emerald
$1,000 AUD