Emerald|Lab Grown|IGI

1.29ct D SI1 Emerald Lab Grown Diamond

EX • D/SI1 • IGI LG843659109

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843659109

Diamond specifications and retailer prices

From $159 USD
As of October 30, 2026
Save $762 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $921 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.29ct lab-grown emerald diamond

This 1.29ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843659109 or 843659109. Listed at 13 retailers as of October 26, 2026, with prices from $159 to $921, a $762 spread on the same certified stone. MOH London lists it at $921. 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

1.29
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843659109
Dimensions7.43 × 5.00 × 3.34 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm5.00 mm1.29 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843659109
Side View
Table 63.0%Crown 35°Girdle: MediumPavilion 38.4°Culet: LargeDepth 66.8%

Caratlytics Score

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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 30
Current: $921 USD|Low: $159 USD|High: $1,220 USD|Avg: $503 USD
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 30, 2026
Retailer 3$159 USD
Retailer 12$184 USD
Retailer 9$197 USD
Retailer 10$197 USD
Retailer 6$346 USD
Retailer 7$354 USD
Retailer 4$357 USD
Retailer 13$525 USD
Retailer 11$632 USD
Retailer 5$665 USD
Retailer 8$667 USD
Retailer 2$790 USD
MOH London$921 USD

10 data points across 13 retailers

13 retailers$159 USD to $921 USD

A
Cheapest Retailer
-
$159 USD
A
Retailer 2
-
$184 USD
View
A
Retailer 3
-
$197 USD
View
A
Retailer 4
-
$197 USD
View
A
Retailer 5
-
$346 USD
£272 GBP
View
A
Retailer 6
-
$354 USD
€337 EUR
View
B+
Retailer 7
-
$357 USD
View
B+
Retailer 8
-
$525 USD
View
B+
Retailer 9
-
$632 USD
View
B
Retailer 10
-
$665 USD
View
B
Retailer 11
-
$667 USD
View
B
Retailer 12
-
$790 USD
View
Most Expensive
B
MOH London
LG843659109 · Oct 26
$921 USD
£725 GBP
View
12 more retailers have this diamond
Prices start from $159 USDSave up to $762 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
1.29ct Emerald
$159 USD