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Round|Lab Grown|IGI

1.57ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG804649969

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804649969

Diamond specifications and retailer prices

From $433 USD
As of November 3, 2026
Save $3,417 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,850 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown round diamond

This 1.57ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649969 or 804649969. Listed at 14 retailers as of November 3, 2026, with prices from $433 to $3,850, a $3,417 spread on the same certified stone. Do Amore Diamonds lists it at $3,850. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649969
Dimensions7.57 × 7.53 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.57 mm7.53 mm1.57 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649969
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.7%

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: Nov 3
Current: $3,850 USD|Low: $433 USD|High: $4,570 USD|Avg: $1,815 USD|-15.8%
Do Amore Diamonds
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
November 4, 2026
Retailer 11$433 USD
Retailer 3$485 USD
Retailer 13$507 USD
Retailer 2$730 USD
Retailer 9$840 USD
Retailer 5$860 USD
Retailer 6$1,386 USD
Retailer 12$1,393 USD
Retailer 14$1,906 USD
Retailer 7$1,970 USD
Retailer 8$2,074 USD
Retailer 4$2,178 USD
Retailer 10$2,920 USD
Do Amore Diamonds$3,850 USD

40 data points across 14 retailers

14 retailers$433 USD to $3,850 USD

A
Cheapest Retailer
-
$433 USD
A
Retailer 2
-
$485 USD
View
A
Retailer 3
-
$507 USD
View
Final sale: no returns
A
Retailer 4
-
$730 USD
View
A
Retailer 5
-
$840 USD
View
B+
Retailer 6
-
$860 USD
View
B+
Retailer 7
-
$1,386 USD
View
B+
Retailer 8
-
$1,393 USD
View
B
Retailer 9
-
$1,906 USD
View
B
Retailer 10
-
$1,970 USD
View
B
Retailer 11
-
$2,074 USD
View
B
Retailer 12
-
$2,178 USD
View
B
Retailer 13
-
$2,920 USD
View
Most Expensive
B
Do Amore Diamonds
27-50D2C602E · Nov 4
$3,850 USD
View
13 more retailers have this diamond
Prices start from $433 USDSave up to $3,417 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 Round
$433 USD