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Heart|Lab Grown|IGI

1.57ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG801693878

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG801693878

Diamond specifications and retailer prices

From $586 USD
As of October 30, 2026
Save $4,614 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,200 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart 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 LG801693878 or 801693878. Listed at 14 retailers as of October 30, 2026, with prices from $586 to $5,200, a $4,614 spread on the same certified stone. Do Amore Diamonds lists it at $5,200. 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 angle36.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801693878
Dimensions7.78 × 7.30 × 4.81 mm
L/W Ratio1.07
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
7.78 mm7.30 mm1.57 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801693878
Side View
Table 61.0%Crown 36.3°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 61.8%

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: $5,200 USD|Low: $586 USD|High: $7,480 USD|Avg: $2,065 USD|-30.5%
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 1, 2026
Retailer 11$586 USD
Retailer 4$656 USD
Retailer 13$850 USD
Retailer 8$870 USD
Retailer 5$937 USD
Retailer 6$944 USD
Retailer 12$1,117 USD
Retailer 7$1,286 USD
Retailer 10$1,624 USD
Retailer 14$1,802 USD
Retailer 3$2,109 USD
Retailer 2$3,160 USD
Retailer 9$3,490 USD
Do Amore Diamonds$5,200 USD

35 data points across 14 retailers

14 retailers$586 USD to $5,200 USD

A
Cheapest Retailer
-
$586 USD
A
Retailer 2
-
$656 USD
View
A
Retailer 3
-
$850 USD
View
A
Retailer 4
-
$870 USD
View
A
Retailer 5
-
$937 USD
View
A
Retailer 6
-
$944 USD
View
Final sale: no returns
A
Retailer 7
-
$1,117 USD
View
B+
Retailer 8
-
$1,286 USD
€1,225 EUR
View
B+
Retailer 9
-
$1,624 USD
A$2,498 AUD
View
B+
Retailer 10
-
$1,802 USD
View
B+
Retailer 11
-
$2,109 USD
View
B
Retailer 12
-
$3,160 USD
£2,488 GBP
View
B
Retailer 13
-
$3,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-6E0DB9E96 · Nov 1
$5,200 USD
View
13 more retailers have this diamond
Prices start from $586 USDSave up to $4,614 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 Heart
$586 USD