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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 $690 USD
As of October 29, 2026
Save $2,883 USD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,573 USD 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 $690 to $3,573, a $2,883 spread on the same certified stone. MOH London lists it at $3,573. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,573 USD|Low: $690 USD|High: $3,597 USD|Avg: $1,572 USD|-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$690 USD
Retailer 4$903 USD
Retailer 10$983 USD
Retailer 6$1,048 USD
Retailer 9$1,048 USD
Retailer 11$1,225 USD
Retailer 3$1,533 USD
Retailer 7$1,682 USD
Retailer 2$2,331 USD
Retailer 8$2,946 USD
MOH London$3,573 USD

14 data points across 11 retailers

10 retailers$690 USD to $3,573 USD

A
Cheapest Retailer
-
$690 USD
B+
Retailer 2
-
$903 USD
View
B+
Retailer 3
-
$983 USD
View
B+
Retailer 4
-
$1,048 USD
View
Retailer 5
-
$1,048 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$1,225 USD
View
B
Retailer 7
-
$1,682 USD
View
B
Retailer 8
-
$2,331 USD
View
C
Retailer 9
-
$2,946 USD
View
Most Expensive
B
MOH London
LG407950776 · Oct 29
$3,573 USD
£2,813 GBP
View
9 more retailers have this diamond
Prices start from $690 USDSave up to $2,883 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
1.00ct Emerald
$690 USD