CaratHunter
Plans
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 $622 USD
As of November 2, 2026
Save $3,898 USD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,520 USD 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 $622 to $4,520, a $3,898 spread on the same certified stone. Brilliant Earth lists it at $4,520. 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 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: $4,520 USD|Low: $597 USD|High: $4,520 USD|Avg: $1,659 USD|+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 1, 2026
Retailer 3$622 USD
Retailer 7$696 USD
Retailer 8$696 USD
Retailer 4$771 USD
Retailer 13$900 USD
Retailer 17$1,032 USD
Retailer 2$1,208 USD
Retailer 11$1,292 USD
Retailer 12$1,325 USD
Retailer 16$1,624 USD
Retailer 10$1,796 USD
Retailer 6$2,028 USD
Retailer 9$2,240 USD
Retailer 5$2,461 USD
Retailer 15$2,745 USD
Retailer 14$3,043 USD
Brilliant Earth$4,520 USD

44 data points across 17 retailers

22 retailers$622 USD to $4,520 USD

A
Cheapest Retailer
-
$622 USD
A
Retailer 2
-
$696 USD
View
Final sale: no returns
A
Retailer 3
-
$696 USD
View
Retailer 4
-
$771 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$771 USD
View
A
Retailer 6
-
$900 USD
View
A
Retailer 7
-
$1,032 USD
View
A
Retailer 8
-
$1,168 USD
View
A
Retailer 9
-
$1,208 USD
£951 GBP
View
A
Retailer 10
-
$1,292 USD
€1,230 EUR
View
A
Retailer 11
-
$1,325 USD
ZAR 21,408 ZAR
View
A
Retailer 12
-
$1,624 USD
View
A
Retailer 13
-
$1,796 USD
A$2,763 AUD
View
B+
Retailer 14
-
$2,028 USD
View
B+
Retailer 15
-
$2,240 USD
£1,764 GBP
View
B+
Retailer 16
-
$2,461 USD
View
B+
Retailer 17
-
$2,491 USD
View
B+
Retailer 18
-
$2,540 USD
View
Retailer 19
-
$2,745 USD
View
Price last confirmed 14 days ago
Retailer 20
-
$3,043 USD
£2,396 GBP
View
Price last confirmed 7 days ago
Retailer 21
-
$4,290 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
21313398A · Oct 31
$4,520 USD
View
21 more retailers have this diamond
Prices start from $622 USDSave up to $3,898 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
$622 USD