Heart|Lab Grown|IGI

1.29ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG837616775

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837616775

Diamond specifications and retailer prices

From $431 USD
As of October 30, 2026
Save $727 USD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,158 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.29ct lab-grown heart diamond

This 1.29ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837616775 or 837616775. Listed at 6 retailers as of October 26, 2026, with prices from $431 to $1,158, a $727 spread on the same certified stone. MOH London lists it at $1,158. 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

1.29
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837616775
Dimensions6.46 × 7.43 × 4.72 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm7.43 mm1.29 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837616775
Side View
Table 62.0%Crown 32°Girdle: MED-THKPavilion 43.8°Culet: NoneDepth 63.5%

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 30
Current: $1,158 USD|Low: $431 USD|High: $1,168 USD|Avg: $655 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5$431 USD
Retailer 2$453 USD
Retailer 3$486 USD
Retailer 4$570 USD
Retailer 6$848 USD
MOH London$1,158 USD

18 data points across 6 retailers

6 retailers$431 USD to $1,158 USD

A
Cheapest Retailer
-
$431 USD
B+
Retailer 2
-
$453 USD
£357 GBP
View
B+
Retailer 3
-
$486 USD
View
B+
Retailer 4
-
$570 USD
View
B
Retailer 5
-
$848 USD
View
Most Expensive
B
MOH London
LG837616775 · Oct 26
$1,158 USD
£912 GBP
View
5 more retailers have this diamond
Prices start from $431 USDSave up to $727 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 Heart
$431 USD