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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 £261 GBP
$347 USD
As of October 30, 2026
Save £1,804 GBP (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,065 GBP 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 29, 2026, with prices from £261 to £2,065, a £1,804 spread on the same certified stone. Do Amore Diamonds lists it at £2,065. 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
Colour
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

How it works →
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 30
Current: £2,065 GBP|Low: £182 GBP|High: £2,065 GBP|Avg: £735 GBP
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£182 GBP
Retailer 5£261 GBP
Retailer 7£300 GBP
Retailer 4£470 GBP
Retailer 9£559 GBP
Retailer 10£587 GBP
Retailer 11£752 GBP
Retailer 8£782 GBP
Retailer 3£861 GBP
Retailer 2£1,284 GBP
Do Amore Diamonds£2,065 GBP

8 data points across 11 retailers

9 retailers£261 GBP to £2,065 GBP

Retailer 1
-
£233 GBP
$310 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£261 GBP
$347 USD
View
Final sale: no returns
Retailer 3
-
£270 GBP
$359 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£288 GBP
$384 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
£300 GBP
$399 USD
View
B
Retailer 6
-
£470 GBP
$626 USD
View
Retailer 7
-
£1,024 GBP
$1,364 USD
View
Price last confirmed 30 days ago
Retailer 8
-
£1,284 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-A22C21416 · Oct 29
£2,065 GBP
$2,750 USD
View
8 more retailers have this diamond
Prices start from £261 GBPSave up to £1,804 GBP

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
£261 GBP