Heart|Lab Grown|IGI

1.45ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • IGI LG694599796

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG694599796

Diamond specifications and retailer prices

From $236 USD
As of November 6, 2026
Save $937 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,173 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart 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 very-good cut grade and certified by IGI LG694599796 or 694599796. Listed at 10 retailers as of November 2, 2026, with prices from $236 to $1,173, a $937 spread on the same certified stone. MOH London lists it at $1,173. 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

1.45
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694599796
Dimensions7.22 × 7.54 × 4.51 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm7.54 mm1.45 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG694599796
Side View
Table 54.0%Crown 37.7°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $1,173 USD|Low: $227 USD|High: $1,187 USD|Avg: $616 USD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$236 USD
Retailer 8$274 USD
Retailer 6$293 USD
Retailer 9$293 USD
Retailer 2$468 USD
Retailer 3$548 USD
Retailer 7$941 USD
Retailer 4$944 USD
Retailer 10$993 USD
MOH London$1,173 USD

46 data points across 10 retailers

10 retailers$236 USD to $1,173 USD

A
Cheapest Retailer
-
$236 USD
A
Retailer 2
-
$274 USD
View
B+
Retailer 3
-
$293 USD
View
Retailer 4
-
$293 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$468 USD
View
B+
Retailer 6
-
$548 USD
View
B
Retailer 7
-
$941 USD
View
B
Retailer 8
-
$944 USD
View
B
Retailer 9
-
$993 USD
View
Most Expensive
B
MOH London
LG694599796 · Nov 2
$1,173 USD
£924 GBP
View
9 more retailers have this diamond
Prices start from $236 USDSave up to $937 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
1.45ct Heart
$236 USD