Heart|Lab Grown|IGI

1.50ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • IGI LG831623817

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831623817

Diamond specifications and retailer prices

From $207 USD
As of October 30, 2026
Save $1,009 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,216 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG831623817 or 831623817. Listed at 15 retailers as of October 30, 2026, with prices from $207 to $1,216, a $1,009 spread on the same certified stone. Reve Diamonds lists it at $1,216. 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

1.50
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831623817
Dimensions7.39 × 7.71 × 4.56 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
7.39 mm7.71 mm1.50 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831623817
Side View
Table 70.0%Crown 32.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.1%

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: $1,029 USD|Low: $232 USD|High: $1,216 USD|Avg: $562 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 1, 2026
Retailer 6$232 USD
Retailer 5$257 USD
Retailer 8$345 USD
Retailer 3$426 USD
Retailer 2$473 USD
Retailer 9$489 USD
Retailer 7$828 USD
Retailer 4$878 USD
Retailer 1$1,029 USD
Reve Diamonds$1,216 USD

19 data points across 10 retailers

15 retailers$207 USD to $1,216 USD

A
Cheapest Retailer
-
$207 USD
A
Retailer 2
-
$232 USD
View
Final sale: no returns
Retailer 3
-
$257 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$257 USD
View
B+
Retailer 6
-
$345 USD
View
B+
Retailer 7
-
$426 USD
€406 EUR
View
B+
Retailer 8
-
$473 USD
£372 GBP
View
B+
Retailer 9
-
$489 USD
View
Retailer 10
-
$825 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$825 USD
View
B
Retailer 12
-
$828 USD
View
B
Retailer 13
-
$878 USD
View
B
Retailer 14
-
$1,029 USD
£810 GBP
View
Most Expensive
B
Reve Diamonds
5921A6628 · Nov 1
$1,216 USD
View
14 more retailers have this diamond
Prices start from $207 USDSave up to $1,009 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
1.50ct Heart
$207 USD