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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 $437 USD
As of October 30, 2026
Save $2,423 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,860 USD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $437 to $2,860, a $2,423 spread on the same certified stone. Brilliant Earth lists it at $2,860. 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
Color
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

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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: $2,860 USD|Low: $437 USD|High: $2,860 USD|Avg: $1,126 USD
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
October 31, 2026
Retailer 3$437 USD
Retailer 11$437 USD
Retailer 9$585 USD
Retailer 16$768 USD
Retailer 2$794 USD
Retailer 14$805 USD
Retailer 8$839 USD
Retailer 6$855 USD
Retailer 13$1,120 USD
Retailer 10$1,359 USD
Retailer 4$1,541 USD
Retailer 12$1,561 USD
Retailer 5$1,594 USD
Retailer 15$1,825 USD
Retailer 7$1,914 USD
Brilliant Earth$2,860 USD

19 data points across 16 retailers

18 retailers$437 USD to $2,860 USD

Retailer 1
-
$417 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$437 USD
View
Final sale: no returns
A
Retailer 3
-
$437 USD
View
Retailer 4
-
$510 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$585 USD
View
A
Retailer 6
-
$768 USD
View
A
Retailer 7
-
$794 USD
£625 GBP
View
A
Retailer 8
-
$805 USD
View
Retailer 9
-
$839 USD
ZAR 13,556 ZAR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$855 USD
€814 EUR
View
A
Retailer 11
-
$1,120 USD
View
A
Retailer 12
-
$1,359 USD
View
A
Retailer 13
-
$1,541 USD
SGD 2,082 SGD
View
A
Retailer 14
-
$1,561 USD
View
A
Retailer 15
-
$1,594 USD
View
B+
Retailer 16
-
$1,825 USD
View
B+
Retailer 17
-
$1,914 USD
£1,507 GBP
View
Most Expensive
B
Brilliant Earth
20125141A · Oct 30
$2,860 USD
View
17 more retailers have this diamond
Prices start from $437 USDSave up to $2,423 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
$437 USD