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Emerald|Lab Grown|IGI

1.00ct K SI1 Emerald Lab Grown Diamond

VG • K/SI1 • IGI LG407988501

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407988501

Diamond specifications and retailer prices

From $1,076 AUD
As of November 6, 2026
Save $3,821 AUD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,897 AUD at MOH London · As of November 1, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407988501 or 407988501. Listed at 9 retailers as of November 1, 2026, with prices from $1,076 to $4,897, a $3,821 spread on the same certified stone. MOH London lists it at $4,897. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle15.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407988501
Dimensions6.43 × 4.74 × 3.29 mm
L/W Ratio1.36
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.43 mm4.74 mm1.00 ctK / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407988501
Side View
Table 56.5%Crown 15.2°Girdle: ThickPavilion 37.3°Culet: LNGDepth 69.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,897 AUD|Low: $1,031 AUD|High: $4,956 AUD|Avg: $2,299 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$1,076 AUD
Retailer 9$1,170 AUD
Retailer 5$1,247 AUD
Retailer 8$1,247 AUD
Retailer 2$1,500 AUD
Retailer 6$2,018 AUD
Retailer 3$2,966 AUD
Retailer 7$3,506 AUD
MOH London$4,897 AUD

17 data points across 9 retailers

9 retailers$1,076 AUD to $4,897 AUD

B+
Cheapest Retailer
-
$1,076 AUD
B+
Retailer 2
-
$1,170 AUD
View
B+
Retailer 3
-
$1,247 AUD
View
Retailer 4
-
$1,247 AUD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$1,500 AUD
View
B
Retailer 6
-
$2,018 AUD
View
C
Retailer 7
-
$2,966 AUD
View
C
Retailer 8
-
$3,506 AUD
View
Most Expensive
C
MOH London
LG407988501 · Nov 1
$4,897 AUD
£2,699 GBP
View
8 more retailers have this diamond
Prices start from $1,076 AUDSave up to $3,821 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.

B+
1.00ct Emerald
$1,076 AUD