Princess|Lab Grown|IGI

1.51ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG559282838

Shape and cutting style on the report: Princess cut

Certificate IGI LG559282838

Diamond specifications and retailer prices

From $240 USD
As of October 30, 2026
Save $956 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,196 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559282838 or 559282838. Listed at 12 retailers as of October 25, 2026, with prices from $240 to $1,196, a $956 spread on the same certified stone. MOH London lists it at $1,196. 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

1.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559282838
Dimensions6.17 × 6.16 × 4.27 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.17 mm6.16 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559282838
Side View
Table 70.5%Crown 48.8°Girdle: MED-STKPavilion 36°Culet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,196 USD|Low: $231 USD|High: $1,238 USD|Avg: $611 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$240 USD
Retailer 8$298 USD
Retailer 11$298 USD
Retailer 2$333 USD
Retailer 9$502 USD
Retailer 4$565 USD
Retailer 3$624 USD
Retailer 10$958 USD
Retailer 5$961 USD
Retailer 7$1,040 USD
MOH London$1,196 USD

43 data points across 11 retailers

12 retailers$240 USD to $1,196 USD

A
Cheapest Retailer
-
$240 USD
A
Retailer 2
-
$298 USD
View
A
Retailer 3
-
$298 USD
View
A
Retailer 4
-
$333 USD
£262 GBP
View
B+
Retailer 5
-
$502 USD
View
B+
Retailer 6
-
$507 USD
View
B+
Retailer 7
-
$565 USD
£445 GBP
View
B+
Retailer 8
-
$624 USD
View
B
Retailer 9
-
$958 USD
View
B
Retailer 10
-
$961 USD
View
Retailer 11
-
$1,040 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG559282838 · Oct 25
$1,196 USD
£942 GBP
View
11 more retailers have this diamond
Prices start from $240 USDSave up to $956 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
1.51ct Princess
$240 USD