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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 $894 SGD
As of November 4, 2026
Save $3,677 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,571 SGD 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 $894 to $4,571, a $3,677 spread on the same certified stone. MOH London lists it at $4,571. 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: $4,571 SGD|Low: $894 SGD|High: $4,644 SGD|Avg: $2,170 SGD|-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$894 SGD
Retailer 6$1,165 SGD
Retailer 12$1,267 SGD
Retailer 13$1,304 SGD
Retailer 8$1,351 SGD
Retailer 11$1,351 SGD
Retailer 3$1,577 SGD
Retailer 4$1,975 SGD
Retailer 9$2,168 SGD
Retailer 2$3,007 SGD
Retailer 10$3,800 SGD
Retailer 5$3,870 SGD
MOH London$4,571 SGD

16 data points across 13 retailers

11 retailers$894 SGD to $4,571 SGD

A
Cheapest Retailer
-
$894 SGD
B+
Retailer 2
-
$1,165 SGD
View
B+
Retailer 3
-
$1,267 SGD
View
B+
Retailer 4
-
$1,304 SGD
View
Final sale: no returns
B+
Retailer 5
-
$1,351 SGD
View
Retailer 6
-
$1,351 SGD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$1,577 SGD
View
B
Retailer 8
-
$2,168 SGD
View
B
Retailer 9
-
$3,007 SGD
View
C
Retailer 10
-
$3,800 SGD
View
Most Expensive
B
MOH London
LG407988459 · Nov 5
$4,571 SGD
£2,818 GBP
View
10 more retailers have this diamond
Prices start from $894 SGDSave up to $3,677 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
1.01ct Emerald
$894 SGD