CaratHunter
Plans
Emerald|Lab Grown|IGI

1.00ct K SI1 Emerald Lab Grown Diamond

VG • K/SI1 • IGI LG400943085

Shape and cutting style on the report: Emerald cut

Certificate IGI LG400943085

Diamond specifications and retailer prices

From $753 USD
As of November 6, 2026
Save $2,666 USD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,419 USD at MOH London · As of November 5, 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 LG400943085 or 400943085. Listed at 9 retailers as of November 5, 2026, with prices from $753 to $3,419, a $2,666 spread on the same certified stone. MOH London lists it at $3,419. 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
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle24.8°
Pavilion angle45.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400943085
Dimensions6.44 × 4.78 × 3.39 mm
L/W Ratio1.35
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.44 mm4.78 mm1.00 ctK / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG400943085
Side View
Table 65.5%Crown 24.8°Girdle: MED-STKPavilion 45.2°Culet: LNGDepth 70.9%

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: $3,419 USD|Low: $722 USD|High: $3,473 USD|Avg: $1,682 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$753 USD
Retailer 5$873 USD
Retailer 7$873 USD
Retailer 2$1,050 USD
Retailer 6$1,413 USD
Retailer 3$2,076 USD
MOH London$3,419 USD

19 data points across 7 retailers

9 retailers$753 USD to $3,419 USD

B+
Cheapest Retailer
-
$753 USD
B+
Retailer 2
-
$819 USD
View
B+
Retailer 3
-
$873 USD
View
Retailer 4
-
$873 USD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$1,050 USD
View
B
Retailer 6
-
$1,413 USD
View
C
Retailer 7
-
$2,076 USD
View
C
Retailer 8
-
$2,454 USD
View
Most Expensive
C
MOH London
LG400943085 · Nov 5
$3,419 USD
£2,692 GBP
View
8 more retailers have this diamond
Prices start from $753 USDSave up to $2,666 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.

B+
1.00ct Emerald
$753 USD