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Princess|Lab Grown|IGI

1.50ct E SI1 Princess Lab Grown Diamond

VG • E/SI1 • IGI LG497176338

Shape and cutting style on the report: Princess cut

Certificate IGI LG497176338

Diamond specifications and retailer prices

From $347 USD
As of October 28, 2026
Save $2,403 USD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,750 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG497176338 or 497176338. Listed at 9 retailers as of October 28, 2026, with prices from $347 to $2,750, a $2,403 spread on the same certified stone. Do Amore Diamonds lists it at $2,750. 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
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497176338
Dimensions6.17 × 6.15 × 4.47 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 mm6.15 mm1.50 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497176338
Side View
Table 65.5%Crown 41.7°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 72.7%

Caratlytics Score

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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 28
Current: $2,750 USD|Low: $242 USD|High: $2,750 USD|Avg: $979 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 21, 2026
Retailer 6$242 USD
Retailer 5$347 USD
Retailer 7$399 USD
Retailer 4$626 USD
Retailer 9$745 USD
Retailer 10$782 USD
Retailer 11$1,001 USD
Retailer 8$1,042 USD
Retailer 3$1,147 USD
Retailer 2$1,709 USD
Do Amore Diamonds$2,750 USD

8 data points across 11 retailers

9 retailers$347 USD to $2,750 USD

Retailer 1
-
$310 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$347 USD
View
Final sale: no returns
Retailer 3
-
$359 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$384 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$399 USD
View
B
Retailer 6
-
$626 USD
View
Retailer 7
-
$1,364 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$1,709 USD
£1,346 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-A22C21416 · Oct 29
$2,750 USD
View
8 more retailers have this diamond
Prices start from $347 USDSave up to $2,403 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
$347 USD