Princess|Lab Grown|IGI

1.55ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG818670758

Shape and cutting style on the report: Princess cut

Certificate IGI LG818670758

Diamond specifications and retailer prices

From $1,435 AUD
As of November 4, 2026
Save $3,953 AUD (73%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,020 AUD at MOH London · As of October 12, 2026
View at MOH London

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818670758 or 818670758. Listed at 24 retailers as of November 4, 2026, with a 275% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818670758
Dimensions6.33 × 6.30 × 4.51 mm
L/W Ratio1.00
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 mm6.30 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818670758
Side View
Table 69.0%Crown 43.1°Girdle: MediumPavilion 38.8°Culet: NoneDepth 71.6%

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 4
Current: $6,020 AUD|Low: $1,435 AUD|High: $7,113 AUD|Avg: $3,151 AUD|+1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 4$1,435 AUD
Retailer 11$1,511 AUD
Retailer 10$1,645 AUD
Retailer 12$1,729 AUD
Retailer 15$1,739 AUD
Retailer 9$1,753 AUD
Retailer 3$1,798 AUD
Retailer 7$1,897 AUD
Retailer 2$2,061 AUD
Retailer 6$2,235 AUD
Retailer 19$2,371 AUD
Retailer 16$2,734 AUD
Retailer 17$2,985 AUD
Retailer 5$3,809 AUD
Retailer 14$4,241 AUD
Retailer 8$4,362 AUD
Retailer 13$4,691 AUD
Retailer 20$4,879 AUD
Retailer 18$5,388 AUD
MOH London$6,020 AUD

38 data points across 20 retailers

24 retailers$1,435 AUD to $5,388 AUD

A
Cheapest Retailer
-
$1,435 AUD
Final sale: no returns
Retailer 2
-
$1,511 AUD
View
Price last confirmed 25 days ago
Retailer 3
-
$1,511 AUD
View
Price last confirmed 44 days ago
Retailer 4
-
$1,645 AUD
View
Price last confirmed 43 days ago
Retailer 5
-
$1,729 AUD
View
Price last confirmed 41 days ago
A
Retailer 6
-
$1,739 AUD
View
Retailer 7
-
$1,753 AUD
View
Price last confirmed 33 days ago
Retailer 8
-
$1,753 AUD
View
Price last confirmed 24 days ago
A
Retailer 9
-
$1,798 AUD
View
A
Retailer 10
-
$1,897 AUD
View
A
Retailer 11
-
$2,061 AUD
View
A
Retailer 12
-
$2,235 AUD
View
A
Retailer 13
-
$2,371 AUD
View
B+
Retailer 14
-
$2,734 AUD
View
B+
Retailer 15
-
$2,985 AUD
View
Retailer 16
-
$3,287 AUD
View
Price last confirmed 36 days ago
B+
Retailer 17
-
$3,809 AUD
View
B+
Retailer 18
-
$4,241 AUD
View
B
Retailer 19
-
$4,362 AUD
View
B+
Retailer 20
-
$4,691 AUD
View
Retailer 21
-
$4,844 AUD
View
Price last confirmed 25 days ago
B
Retailer 22
-
$4,879 AUD
View
B
Retailer 23
-
$5,388 AUD
View
Most Expensive
MOH London
LG818670758 · Oct 12
$6,020 AUD
£3,325 GBP
View
Price last confirmed 23 days ago
23 more retailers have this diamond
Prices start from $1,435 AUDSave up to $3,953 AUD

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
$1,435 AUD