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 $753 USD
£593 GBP
As of October 30, 2026
Save $2,367 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,120 USD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $753 to $3,120, a $2,367 spread on the same certified stone. Brilliant Earth lists it at $3,120. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,120 USD|Low: $753 USD|High: $4,520 USD|Avg: $1,829 USD|-31.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11$753 USD
Retailer 6$840 USD
Retailer 10$1,093 USD
Retailer 4$1,183 USD
Retailer 3$1,494 USD
Retailer 9$1,624 USD
Retailer 8$1,761 USD
Retailer 2$2,563 USD
Retailer 5$2,696 USD
Retailer 7$2,820 USD
Brilliant Earth$3,120 USD

6 data points across 11 retailers

11 retailers$753 USD to $3,120 USD

A
Cheapest Retailer
-
$753 USD
£593 GBP
A
Retailer 2
-
$840 USD
View
A
Retailer 3
-
$1,093 USD
View
A
Retailer 4
-
$1,183 USD
View
A
Retailer 5
-
$1,494 USD
€1,423 EUR
View
A
Retailer 6
-
$1,624 USD
A$2,499 AUD
View
B+
Retailer 7
-
$1,761 USD
View
B+
Retailer 8
-
$2,563 USD
View
B
Retailer 9
-
$2,696 USD
A$4,147 AUD
View
B+
Retailer 10
-
$2,820 USD
View
Most Expensive
B
Brilliant Earth
22319648A · Oct 30
$3,120 USD
View
10 more retailers have this diamond
Prices start from $753 USDSave up to $2,367 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
1.55ct Princess
$753 USD