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 $1,187 USD
As of October 30, 2026
Save $3,503 USD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,690 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 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 $1,187 to $4,690, a $3,503 spread on the same certified stone. Brilliant Earth lists it at $4,690. 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
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

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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: $4,690 USD|Low: $1,187 USD|High: $4,990 USD|Avg: $2,754 USD|-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$1,187 USD
Retailer 4$1,316 USD
Retailer 10$1,395 USD
Retailer 2$1,781 USD
Retailer 7$1,850 USD
Retailer 8$1,850 USD
Retailer 11$1,965 USD
Retailer 12$2,261 USD
Retailer 9$2,323 USD
Retailer 5$3,168 USD
Retailer 14$3,635 USD
Retailer 3$3,939 USD
Retailer 13$4,195 USD
Retailer 6$4,296 USD
Brilliant Earth$4,690 USD

6 data points across 15 retailers

15 retailers$1,187 USD to $4,690 USD

A
Cheapest Retailer
-
$1,187 USD
Final sale: no returns
A
Retailer 2
-
$1,316 USD
View
A
Retailer 3
-
$1,395 USD
£1,098 GBP
View
A
Retailer 4
-
$1,781 USD
£1,403 GBP
View
B+
Retailer 5
-
$1,850 USD
View
B+
Retailer 6
-
$1,850 USD
View
B+
Retailer 7
-
$1,965 USD
€1,871 EUR
View
B+
Retailer 8
-
$2,261 USD
ZAR 36,531 ZAR
View
B+
Retailer 9
-
$2,323 USD
View
B
Retailer 10
-
$3,168 USD
View
B
Retailer 11
-
$3,635 USD
View
B
Retailer 12
-
$3,939 USD
View
B
Retailer 13
-
$4,195 USD
£3,303 GBP
View
B
Retailer 14
-
$4,296 USD
View
Most Expensive
B
Brilliant Earth
22319833A · Oct 30
$4,690 USD
View
14 more retailers have this diamond
Prices start from $1,187 USDSave up to $3,503 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
$1,187 USD