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Princess|Lab Grown|IGI

1.55ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG723552639

Shape and cutting style on the report: Princess cut

Certificate IGI LG723552639

Diamond specifications and retailer prices

From $888 AUD
$622 USD
As of November 2, 2026
Save $5,562 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,450 AUD 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 LG723552639 or 723552639. Listed at 22 retailers as of October 31, 2026, with prices from $888 to $6,450, a $5,562 spread on the same certified stone. Brilliant Earth lists it at $6,450. 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 angle50.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723552639
Dimensions6.26 × 6.16 × 4.53 mm
L/W Ratio1.02
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
6.26 mm6.16 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723552639
Side View
Table 67.0%Crown 50.2°Girdle: MediumPavilion 38.4°Culet: NoneDepth 73.5%

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 2
Current: $6,450 AUD|Low: $852 AUD|High: $6,450 AUD|Avg: $2,370 AUD|+5.4%
Brilliant Earth
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
November 2, 2026
Retailer 3$888 AUD
Retailer 7$993 AUD
Retailer 8$993 AUD
Retailer 4$1,100 AUD
Retailer 13$1,284 AUD
Retailer 17$1,473 AUD
Retailer 2$1,724 AUD
Retailer 11$1,843 AUD
Retailer 12$1,891 AUD
Retailer 16$2,317 AUD
Retailer 10$2,563 AUD
Retailer 6$2,894 AUD
Retailer 9$3,197 AUD
Retailer 5$3,512 AUD
Retailer 15$3,917 AUD
Retailer 14$4,342 AUD
Brilliant Earth$6,450 AUD

44 data points across 17 retailers

22 retailers$888 AUD to $6,450 AUD

A
Cheapest Retailer
-
$888 AUD
$622 USD
A
Retailer 2
-
$993 AUD
$696 USD
View
Final sale: no returns
A
Retailer 3
-
$993 AUD
$696 USD
View
Retailer 4
-
$1,100 AUD
$771 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,100 AUD
$771 USD
View
A
Retailer 6
-
$1,284 AUD
$900 USD
View
A
Retailer 7
-
$1,473 AUD
$1,032 USD
View
A
Retailer 8
-
$1,667 AUD
$1,168 USD
View
A
Retailer 9
-
$1,724 AUD
£951 GBP
View
A
Retailer 10
-
$1,843 AUD
€1,230 EUR
View
A
Retailer 11
-
$1,891 AUD
ZAR 21,408 ZAR
View
A
Retailer 12
-
$2,317 AUD
$1,624 USD
View
A
Retailer 13
-
$2,563 AUD
View
B+
Retailer 14
-
$2,894 AUD
$2,028 USD
View
B+
Retailer 15
-
$3,197 AUD
£1,764 GBP
View
B+
Retailer 16
-
$3,512 AUD
$2,461 USD
View
B+
Retailer 17
-
$3,554 AUD
$2,491 USD
View
B+
Retailer 18
-
$3,624 AUD
$2,540 USD
View
Retailer 19
-
$3,917 AUD
$2,745 USD
View
Price last confirmed 15 days ago
Retailer 20
-
$4,342 AUD
£2,396 GBP
View
Price last confirmed 8 days ago
Retailer 21
-
$6,121 AUD
$4,290 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
21313398A · Oct 31
$6,450 AUD
$4,520 USD
View
21 more retailers have this diamond
Prices start from $888 AUDSave up to $5,562 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
$888 AUD