CaratHunter
Plans
Princess|Lab Grown|IGI

1.55ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG846664395

Shape and cutting style on the report: Princess cut

Certificate IGI LG846664395

Diamond specifications and retailer prices

From £550 GBP
As of November 1, 2026
Save £1,771 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,321 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown princess diamond

This 1.55ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846664395 or 846664395. Listed at 11 retailers as of October 31, 2026, with prices from £550 to £2,321, a £1,771 spread on the same certified stone. Brilliant Earth lists it at £2,321. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664395
Dimensions6.33 × 6.11 × 4.64 mm
L/W Ratio1.04
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
6.33 mm6.11 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664395
Side View
Table 68.0%Crown 49.1°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 75.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,321 GBP|Low: £550 GBP|High: £3,373 GBP|Avg: £1,361 GBP|-31.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4£550 GBP
Retailer 5£619 GBP
Retailer 2£802 GBP
Retailer 7£883 GBP
Retailer 3£1,115 GBP
Retailer 11£1,212 GBP
Retailer 10£1,314 GBP
Retailer 6£1,913 GBP
Retailer 8£2,012 GBP
Retailer 9£2,105 GBP
Brilliant Earth£2,321 GBP

7 data points across 11 retailers

11 retailers£550 GBP to £2,321 GBP

A
Cheapest Retailer
-
£550 GBP
A
Retailer 2
-
£619 GBP
$830 USD
View
A
Retailer 3
-
£802 GBP
$1,075 USD
View
A
Retailer 4
-
£883 GBP
$1,183 USD
View
A
Retailer 5
-
£1,115 GBP
€1,423 EUR
View
A
Retailer 6
-
£1,212 GBP
A$2,499 AUD
View
B+
Retailer 7
-
£1,314 GBP
$1,761 USD
View
B+
Retailer 8
-
£1,913 GBP
$2,563 USD
View
B
Retailer 9
-
£2,012 GBP
A$4,147 AUD
View
B+
Retailer 10
-
£2,105 GBP
$2,820 USD
View
Most Expensive
B
Brilliant Earth
22319648A · Oct 31
£2,321 GBP
$3,110 USD
View
10 more retailers have this diamond
Prices start from £550 GBPSave up to £1,771 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
1.55ct Princess
£550 GBP