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Emerald|Lab Grown|IGI

1.00ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG407997023

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407997023

Diamond specifications and retailer prices

From $882 SGD
$690 USD
As of October 29, 2026
Save $3,685 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,567 SGD 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 LG407997023 or 407997023. Listed at 11 retailers as of October 29, 2026, with prices from $882 to $4,567, a $3,685 spread on the same certified stone. MOH London lists it at $4,567. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle17.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407997023
Dimensions6.40 × 4.88 × 3.37 mm
L/W Ratio1.31
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.40 mm4.88 mm1.00 ctJ / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407997023
Side View
Table 56.0%Crown 17.9°Girdle: MED-STKPavilion 41°Culet: LNGDepth 69.1%

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: $4,567 SGD|Low: $882 SGD|High: $4,598 SGD|Avg: $2,131 SGD|+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 29, 2026
Retailer 7$882 SGD
Retailer 6$1,154 SGD
Retailer 12$1,257 SGD
Retailer 13$1,292 SGD
Retailer 8$1,340 SGD
Retailer 11$1,340 SGD
Retailer 3$1,566 SGD
Retailer 4$1,960 SGD
Retailer 9$2,150 SGD
Retailer 2$2,980 SGD
Retailer 10$3,766 SGD
Retailer 5$3,836 SGD
MOH London$4,567 SGD

18 data points across 13 retailers

11 retailers$882 SGD to $4,567 SGD

A
Cheapest Retailer
-
$882 SGD
$690 USD
B+
Retailer 2
-
$1,154 SGD
$903 USD
View
B+
Retailer 3
-
$1,257 SGD
$983 USD
View
B+
Retailer 4
-
$1,292 SGD
$1,011 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,340 SGD
$1,048 USD
View
Retailer 6
-
$1,340 SGD
$1,048 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$1,566 SGD
$1,225 USD
View
B
Retailer 8
-
$2,150 SGD
$1,682 USD
View
B
Retailer 9
-
$2,980 SGD
$2,331 USD
View
C
Retailer 10
-
$3,766 SGD
$2,946 USD
View
Most Expensive
B
MOH London
LG407997023 · Oct 29
$4,567 SGD
£2,813 GBP
View
10 more retailers have this diamond
Prices start from $882 SGDSave up to $3,685 SGD

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
$882 SGD