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Princess|Lab Grown|IGI

1.55ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG840632585

Shape and cutting style on the report: Princess cut

Certificate IGI LG840632585

Diamond specifications and retailer prices

From $1,690 AUD
$1,187 USD
As of October 30, 2026
Save $4,987 AUD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,677 AUD 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632585 or 840632585. Listed at 15 retailers as of October 30, 2026, with prices from $1,690 to $6,677, a $4,987 spread on the same certified stone. Brilliant Earth lists it at $6,677. 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 angle45.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632585
Dimensions6.21 × 6.19 × 4.50 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
6.21 mm6.19 mm1.55 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632585
Side View
Table 67.0%Crown 45.4°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 72.7%

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: Oct 30
Current: $6,677 AUD|Low: $1,690 AUD|High: $7,104 AUD|Avg: $3,920 AUD|-6.0%
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
October 31, 2026
Retailer 15$1,690 AUD
Retailer 4$1,873 AUD
Retailer 10$1,985 AUD
Retailer 2$2,536 AUD
Retailer 7$2,634 AUD
Retailer 8$2,634 AUD
Retailer 11$2,797 AUD
Retailer 12$3,219 AUD
Retailer 9$3,307 AUD
Retailer 5$4,510 AUD
Retailer 14$5,175 AUD
Retailer 3$5,608 AUD
Retailer 13$5,972 AUD
Retailer 6$6,116 AUD
Brilliant Earth$6,677 AUD

6 data points across 15 retailers

15 retailers$1,690 AUD to $6,677 AUD

A
Cheapest Retailer
-
$1,690 AUD
$1,187 USD
Final sale: no returns
A
Retailer 2
-
$1,873 AUD
$1,316 USD
View
A
Retailer 3
-
$1,985 AUD
£1,098 GBP
View
A
Retailer 4
-
$2,536 AUD
£1,403 GBP
View
B+
Retailer 5
-
$2,634 AUD
$1,850 USD
View
B+
Retailer 6
-
$2,634 AUD
$1,850 USD
View
B+
Retailer 7
-
$2,797 AUD
€1,871 EUR
View
B+
Retailer 8
-
$3,219 AUD
ZAR 36,531 ZAR
View
B+
Retailer 9
-
$3,307 AUD
$2,323 USD
View
B
Retailer 10
-
$4,510 AUD
$3,168 USD
View
B
Retailer 11
-
$5,175 AUD
$3,635 USD
View
B
Retailer 12
-
$5,608 AUD
$3,939 USD
View
B
Retailer 13
-
$5,972 AUD
£3,303 GBP
View
B
Retailer 14
-
$6,116 AUD
$4,296 USD
View
Most Expensive
B
Brilliant Earth
22319833A · Oct 30
$6,677 AUD
$4,690 USD
View
14 more retailers have this diamond
Prices start from $1,690 AUDSave up to $4,987 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
$1,690 AUD