Princess|Lab Grown|IGI

1.51ct F SI1 Princess Lab Grown Diamond

GD • F/SI1 • IGI LG528233201

Shape and cutting style on the report: Princess cut

Certificate IGI LG528233201

Diamond specifications and retailer prices

From $372 USD
As of November 6, 2026
Save $1,918 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,290 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG528233201 or 528233201. Listed at 15 retailers as of November 6, 2026, with prices from $372 to $2,290, a $1,918 spread on the same certified stone. Do Amore Diamonds lists it at $2,290. 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

1.51
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528233201
Dimensions6.24 × 6.12 × 4.39 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.24 mm6.12 mm1.51 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528233201
Side View
Table 70.0%Crown 42.3°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 71.7%

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: Nov 6
Current: $2,290 USD|Low: $360 USD|High: $2,290 USD|Avg: $926 USD|+17.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$372 USD
Retailer 8$375 USD
Retailer 2$448 USD
Retailer 5$571 USD
Retailer 4$615 USD
Retailer 3$860 USD
Retailer 7$980 USD
Retailer 10$1,136 USD
Retailer 11$1,298 USD
Retailer 6$1,410 USD
Do Amore Diamonds$2,290 USD

17 data points across 11 retailers

15 retailers$372 USD to $2,290 USD

Retailer 1
-
$203 USD
Price last confirmed 45 days ago
Retailer 2
-
$248 USD
View
Price last confirmed 44 days ago
B+
Retailer 3
-
$372 USD
View
B+
Retailer 4
-
$375 USD
View
B+
Retailer 5
-
$448 USD
View
B+
Retailer 6
-
$480 USD
View
B+
Retailer 7
-
$571 USD
View
B+
Retailer 8
-
$615 USD
View
B
Retailer 9
-
$860 USD
View
B
Retailer 10
-
$980 USD
View
B
Retailer 11
-
$1,136 USD
View
B
Retailer 12
-
$1,298 USD
View
B
Retailer 13
-
$1,410 USD
View
Retailer 14
-
$1,650 USD
View
Price last confirmed 9 days ago
Most Expensive
C
Do Amore Diamonds
27-8BAD46E66 · Nov 6
$2,290 USD
View
14 more retailers have this diamond
Prices start from $372 USDSave up to $1,918 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+
1.51ct Princess
$372 USD