Princess|Lab Grown|IGI

1.49ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG783621815

Shape and cutting style on the report: Princess cut

Certificate IGI LG783621815

Diamond specifications and retailer prices

From $639 USD
As of October 30, 2026
Save $451 USD (41%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,090 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.49ct lab-grown princess diamond

This 1.49ct lab-grown princess 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 LG783621815 or 783621815. Listed at 10 retailers as of October 30, 2026, with prices from $639 to $1,090, a $451 spread on the same certified stone. Brilliant Earth lists it at $1,090. 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

1.49
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783621815
Dimensions6.22 × 6.12 × 4.29 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm6.12 mm1.49 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783621815
Side View
Table 69.0%Crown 45.3°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 70.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,090 USD|Low: $288 USD|High: $1,090 USD|Avg: $556 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 9$288 USD
Retailer 3$368 USD
Retailer 4$378 USD
Retailer 5$385 USD
Retailer 8$548 USD
Retailer 2$639 USD
Retailer 7$865 USD
Retailer 6$998 USD
Brilliant Earth$1,090 USD

36 data points across 9 retailers

10 retailers$639 USD to $1,090 USD

Retailer 1
-
$288 USD
Price last confirmed 9 days ago
Retailer 2
-
$368 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$378 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$385 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$548 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$639 USD
View
Retailer 7
-
$740 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$865 USD
View
Price last confirmed 9 days ago
Retailer 9
-
$998 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22273504A · Oct 30
$1,090 USD
View
9 more retailers have this diamond
Prices start from $639 USDSave up to $451 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+
1.49ct Princess
$639 USD