Princess|Lab Grown|IGI

1.50ct D SI2 Princess Lab Grown Diamond

ID • D/SI2 • IGI LG808638948

Shape and cutting style on the report: Princess cut

Certificate IGI LG808638948

Diamond specifications and retailer prices

From $193 USD
As of October 27, 2026
Save $1,397 USD (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,590 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG808638948 or 808638948. Listed at 17 retailers as of October 27, 2026, with prices from $193 to $1,590, a $1,397 spread on the same certified stone. Brilliant Earth lists it at $1,590. 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

1.50
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle46.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808638948
Dimensions6.23 × 6.00 × 4.41 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.23 mm6.00 mm1.50 ctD / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG808638948
Side View
Table 73.0%Crown 46.3°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 73.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,590 USD|Low: $186 USD|High: $1,590 USD|Avg: $540 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 15$193 USD
Retailer 3$216 USD
Retailer 8$224 USD
Retailer 6$240 USD
Retailer 9$294 USD
Retailer 2$395 USD
Retailer 14$419 USD
Retailer 10$434 USD
Retailer 5$437 USD
Retailer 4$497 USD
Retailer 13$616 USD
Retailer 16$771 USD
Retailer 7$785 USD
Retailer 12$850 USD
Retailer 11$1,123 USD
Brilliant Earth$1,590 USD

42 data points across 16 retailers

17 retailers$193 USD to $1,590 USD

A
Cheapest Retailer
-
$193 USD
A
Retailer 2
-
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$224 USD
View
A
Retailer 4
-
$240 USD
View
A
Retailer 5
-
$269 USD
HK$2,100 HKD
View
A
Retailer 6
-
$294 USD
£232 GBP
View
A
Retailer 7
-
$395 USD
€376 EUR
View
B+
Retailer 8
-
$419 USD
View
A
Retailer 9
-
$434 USD
£342 GBP
View
B+
Retailer 10
-
$437 USD
View
B+
Retailer 11
-
$497 USD
View
B
Retailer 12
-
$616 USD
View
B
Retailer 13
-
$771 USD
View
B
Retailer 14
-
$785 USD
SGD 1,061 SGD
View
B
Retailer 15
-
$850 USD
View
B
Retailer 16
-
$1,123 USD
£884 GBP
View
Most Expensive
B
Brilliant Earth
20143712A · Oct 29
$1,590 USD
View
16 more retailers have this diamond
Prices start from $193 USDSave up to $1,397 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 Princess
$193 USD