Princess|Lab Grown|IGI

1.57ct D FL Princess Lab Grown Diamond

ID • D/FL • IGI LG816624143

Shape and cutting style on the report: Princess cut

Certificate IGI LG816624143

Diamond specifications and retailer prices

From $1,008 USD
As of October 30, 2026
Save $2,762 USD (73%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,770 USD 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816624143 or 816624143. Listed at 23 retailers as of October 30, 2026, with prices from $1,008 to $3,770, a $2,762 spread on the same certified stone. Brilliant Earth lists it at $3,770. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624143
Dimensions6.25 × 6.18 × 4.45 mm
L/W Ratio1.01
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
6.25 mm6.18 mm1.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624143
Side View
Table 68.0%Crown 45.5°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 72.0%

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: $3,770 USD|Low: $1,008 USD|High: $5,060 USD|Avg: $2,514 USD|-25.5%
Brilliant Earth
Retailer 2
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Retailer 19
November 1, 2026
Retailer 19$1,008 USD
Retailer 8$1,070 USD
Retailer 9$1,242 USD
Retailer 10$1,242 USD
Retailer 17$1,286 USD
Retailer 6$1,345 USD
Retailer 5$1,570 USD
Retailer 2$1,607 USD
Retailer 13$1,665 USD
Retailer 15$1,919 USD
Retailer 12$2,097 USD
Retailer 3$2,676 USD
Retailer 18$3,097 USD
Retailer 7$3,100 USD
Retailer 16$3,428 USD
Retailer 11$3,429 USD
Retailer 14$3,560 USD
Retailer 4$3,627 USD
Brilliant Earth$3,770 USD

38 data points across 19 retailers

23 retailers$1,008 USD to $3,770 USD

A
Cheapest Retailer
-
$1,008 USD
Final sale: no returns
Retailer 2
-
$1,070 USD
View
Price last confirmed 21 days ago
Retailer 3
-
$1,070 USD
View
Price last confirmed 40 days ago
Retailer 4
-
$1,165 USD
View
Price last confirmed 38 days ago
Retailer 5
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$1,225 USD
View
Price last confirmed 37 days ago
Retailer 6
-
$1,242 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$1,242 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$1,286 USD
View
A
Retailer 9
-
$1,345 USD
View
A
Retailer 10
-
$1,570 USD
View
A
Retailer 11
-
$1,607 USD
£1,266 GBP
View
A
Retailer 12
-
$1,665 USD
€1,586 EUR
View
B+
Retailer 13
-
$1,919 USD
ZAR 31,005 ZAR
View
B+
Retailer 14
-
$2,097 USD
View
Retailer 15
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$2,327 USD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$2,676 USD
View
B+
Retailer 17
-
$3,097 USD
View
Retailer 18
-
$3,100 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$3,428 USD
View
Retailer 20
-
$3,429 USD
£2,700 GBP
View
Price last confirmed 20 days ago
B
Retailer 21
-
$3,560 USD
£2,803 GBP
View
B
Retailer 22
-
$3,627 USD
View
Most Expensive
B
Brilliant Earth
21018476A · Oct 31
$3,770 USD
View
22 more retailers have this diamond
Prices start from $1,008 USDSave up to $2,762 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
$1,008 USD