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Princess|Lab Grown|IGI

1.57ct E IF Princess Lab Grown Diamond

EX • E/IF • IGI LG804627351

Shape and cutting style on the report: Princess cut

Certificate IGI LG804627351

Diamond specifications and retailer prices

From $622 AUD
$437 USD
As of October 30, 2026
Save $3,449 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,071 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804627351 or 804627351. Listed at 18 retailers as of October 31, 2026, with prices from $622 to $4,071, a $3,449 spread on the same certified stone. Brilliant Earth lists it at $4,071. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle49.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804627351
Dimensions6.28 × 6.25 × 4.54 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.28 mm6.25 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804627351
Side View
Table 71.0%Crown 49.6°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 72.6%

Caratlytics Score

How it works →
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: $4,071 AUD|Low: $622 AUD|High: $4,071 AUD|Avg: $1,610 AUD
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
November 1, 2026
Retailer 3$622 AUD
Retailer 12$622 AUD
Retailer 10$833 AUD
Retailer 16$1,093 AUD
Retailer 2$1,131 AUD
Retailer 15$1,146 AUD
Retailer 8$1,195 AUD
Retailer 6$1,217 AUD
Retailer 14$1,594 AUD
Retailer 11$1,935 AUD
Retailer 4$2,193 AUD
Retailer 13$2,222 AUD
Retailer 5$2,269 AUD
Retailer 9$2,446 AUD
Retailer 7$2,725 AUD
Brilliant Earth$4,071 AUD

19 data points across 16 retailers

18 retailers$622 AUD to $4,071 AUD

Retailer 1
-
$594 AUD
$417 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$622 AUD
$437 USD
View
Final sale: no returns
A
Retailer 3
-
$622 AUD
$437 USD
View
Retailer 4
-
$726 AUD
$510 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$833 AUD
$585 USD
View
A
Retailer 6
-
$1,093 AUD
$768 USD
View
A
Retailer 7
-
$1,131 AUD
£625 GBP
View
A
Retailer 8
-
$1,146 AUD
$805 USD
View
Retailer 9
-
$1,195 AUD
ZAR 13,556 ZAR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,217 AUD
€814 EUR
View
A
Retailer 11
-
$1,594 AUD
$1,120 USD
View
A
Retailer 12
-
$1,935 AUD
$1,359 USD
View
A
Retailer 13
-
$2,193 AUD
SGD 2,082 SGD
View
A
Retailer 14
-
$2,222 AUD
$1,561 USD
View
A
Retailer 15
-
$2,269 AUD
$1,594 USD
View
B+
Retailer 16
-
$2,446 AUD
$1,718 USD
View
B+
Retailer 17
-
$2,725 AUD
£1,507 GBP
View
Most Expensive
B
Brilliant Earth
20125141A · Oct 31
$4,071 AUD
$2,860 USD
View
17 more retailers have this diamond
Prices start from $622 AUDSave up to $3,449 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
$622 AUD