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Emerald|Lab Grown|IGI

1.00ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG407950776

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407950776

Diamond specifications and retailer prices

From $982 AUD
$690 USD
As of October 29, 2026
Save $4,104 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,086 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct 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 LG407950776 or 407950776. Listed at 10 retailers as of October 29, 2026, with prices from $982 to $5,086, a $4,104 spread on the same certified stone. MOH London lists it at $5,086. 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

1.00
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407950776
Dimensions6.84 × 4.84 × 3.07 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.84 mm4.84 mm1.00 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407950776
Side View
Table 72.0%Crown 24.9°Girdle: MED-STKPavilion 36.4°Culet: LNGDepth 63.4%

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: $5,086 AUD|Low: $982 AUD|High: $5,120 AUD|Avg: $2,237 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5$982 AUD
Retailer 4$1,286 AUD
Retailer 10$1,399 AUD
Retailer 6$1,492 AUD
Retailer 9$1,492 AUD
Retailer 11$1,744 AUD
Retailer 3$2,182 AUD
Retailer 7$2,394 AUD
Retailer 2$3,318 AUD
Retailer 8$4,194 AUD
MOH London$5,086 AUD

14 data points across 11 retailers

10 retailers$982 AUD to $5,086 AUD

A
Cheapest Retailer
-
$982 AUD
$690 USD
B+
Retailer 2
-
$1,286 AUD
$903 USD
View
B+
Retailer 3
-
$1,399 AUD
$983 USD
View
B+
Retailer 4
-
$1,492 AUD
$1,048 USD
View
Retailer 5
-
$1,492 AUD
$1,048 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,744 AUD
$1,225 USD
View
B
Retailer 7
-
$2,394 AUD
$1,682 USD
View
B
Retailer 8
-
$3,318 AUD
$2,331 USD
View
C
Retailer 9
-
$4,194 AUD
$2,946 USD
View
Most Expensive
B
MOH London
LG407950776 · Oct 29
$5,086 AUD
£2,813 GBP
View
9 more retailers have this diamond
Prices start from $982 AUDSave up to $4,104 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
1.00ct Emerald
$982 AUD