Princess|Lab Grown|IGI

1.57ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG740507895

Shape and cutting style on the report: Princess cut

Certificate IGI LG740507895

Diamond specifications and retailer prices

From $540 USD
As of October 30, 2026
Save $4,250 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,790 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown princess diamond

This 1.57ct 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 LG740507895 or 740507895. Listed at 11 retailers as of October 29, 2026, with prices from $540 to $4,790, a $4,250 spread on the same certified stone. Do Amore Diamonds lists it at $4,790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG740507895
Dimensions6.29 × 6.28 × 4.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm6.28 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG740507895
Side View
Table 67.0%Crown 44.6°Girdle: MediumPavilion 36.5°Culet: NoneDepth 69.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $4,790 USD|Low: $540 USD|High: $6,350 USD|Avg: $2,174 USD|-24.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$540 USD
Retailer 8$604 USD
Retailer 3$800 USD
Retailer 9$1,000 USD
Retailer 6$1,035 USD
Retailer 7$1,325 USD
Retailer 5$1,943 USD
Retailer 10$1,968 USD
Retailer 11$2,237 USD
Retailer 4$3,225 USD
Do Amore Diamonds$4,790 USD

42 data points across 11 retailers

11 retailers$540 USD to $4,790 USD

A+
Cheapest Retailer
-
$540 USD
A
Retailer 2
-
$604 USD
View
A
Retailer 3
-
$800 USD
View
Final sale: no returns
A
Retailer 4
-
$1,000 USD
£787 GBP
View
A
Retailer 5
-
$1,035 USD
View
A
Retailer 6
-
$1,325 USD
View
B+
Retailer 7
-
$1,943 USD
View
B+
Retailer 8
-
$1,968 USD
View
Retailer 9
-
$2,237 USD
A$3,441 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,225 USD
£2,539 GBP
View
Most Expensive
B
Do Amore Diamonds
27-46ECA6D52 · Oct 29
$4,790 USD
View
10 more retailers have this diamond
Prices start from $540 USDSave up to $4,250 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+
1.57ct Princess
$540 USD