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Princess|Lab Grown|IGI

1.57ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG742549089

Shape and cutting style on the report: Princess cut

Certificate IGI LG742549089

Diamond specifications and retailer prices

From $917 AUD
$644 USD
As of October 30, 2026
Save $7,226 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,143 AUD at Do Amore Diamonds · As of October 31, 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 LG742549089 or 742549089. Listed at 18 retailers as of October 30, 2026, with prices from $917 to $8,143, a $7,226 spread on the same certified stone. Do Amore Diamonds lists it at $8,143. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742549089
Dimensions6.43 × 6.28 × 4.42 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
6.43 mm6.28 mm1.57 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742549089
Side View
Table 67.0%Crown 44.5°Girdle: Slightly ThickPavilion 37.7°Culet: NoneDepth 70.4%

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: $8,143 AUD|Low: $900 AUD|High: $8,143 AUD|Avg: $2,756 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 15$917 AUD
Retailer 6$998 AUD
Retailer 10$1,048 AUD
Retailer 17$1,287 AUD
Retailer 13$1,332 AUD
Retailer 11$1,352 AUD
Retailer 16$1,735 AUD
Retailer 14$1,916 AUD
Retailer 18$2,718 AUD
Retailer 2$2,924 AUD
Retailer 5$3,155 AUD
Retailer 4$3,303 AUD
Retailer 7$3,765 AUD
Retailer 8$4,194 AUD
Retailer 12$4,442 AUD
Retailer 9$4,527 AUD
Retailer 3$4,618 AUD
Do Amore Diamonds$8,143 AUD

41 data points across 18 retailers

18 retailers$917 AUD to $8,143 AUD

A
Cheapest Retailer
-
$917 AUD
$644 USD
A
Retailer 2
-
$998 AUD
$701 USD
View
A
Retailer 3
-
$1,048 AUD
$736 USD
View
Final sale: no returns
A
Retailer 4
-
$1,287 AUD
$904 USD
View
A
Retailer 5
-
$1,332 AUD
£736 GBP
View
A
Retailer 6
-
$1,348 AUD
$947 USD
View
A
Retailer 7
-
$1,352 AUD
$950 USD
View
A
Retailer 8
-
$1,735 AUD
$1,219 USD
View
A
Retailer 9
-
$1,916 AUD
€1,282 EUR
View
B+
Retailer 10
-
$2,718 AUD
$1,909 USD
View
B+
Retailer 11
-
$2,924 AUD
View
B+
Retailer 12
-
$3,155 AUD
$2,216 USD
View
B+
Retailer 13
-
$3,303 AUD
$2,320 USD
View
Retailer 14
-
$3,765 AUD
$2,645 USD
View
Price last confirmed 13 days ago
Retailer 15
-
$4,194 AUD
View
Price last confirmed 26 days ago
B+
Retailer 16
-
$4,442 AUD
$3,120 USD
View
B+
Retailer 17
-
$4,618 AUD
£2,554 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8BAA6D84D · Oct 31
$8,143 AUD
$5,720 USD
View
17 more retailers have this diamond
Prices start from $917 AUDSave up to $7,226 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
1.57ct Princess
$917 AUD