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Heart|Lab Grown|IGI

1.57ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG696526549

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG696526549

Diamond specifications and retailer prices

From $270 USD
As of October 28, 2026
Save $3,330 USD (93%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,600 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG696526549 or 696526549. Listed at 8 retailers as of October 28, 2026, with prices from $270 to $3,600, a $3,330 spread on the same certified stone. Brilliant Earth lists it at $3,600. 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
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696526549
Dimensions6.78 × 7.87 × 4.89 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
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
6.78 mm7.87 mm1.57 ctE / IF
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG696526549
Side View
Table 59.0%Crown 36.7°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 62.1%

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 28
Current: $3,600 USD|Low: $207 USD|High: $3,710 USD|Avg: $1,261 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$270 USD
Retailer 7$480 USD
Retailer 2$565 USD
Retailer 5$965 USD
Retailer 6$1,032 USD
Retailer 3$1,205 USD
Brilliant Earth$3,600 USD

43 data points across 7 retailers

8 retailers$270 USD to $3,600 USD

A
Cheapest Retailer
-
$270 USD
Final sale: no returns
A
Retailer 2
-
$480 USD
View
Price last confirmed 6 days ago
A
Retailer 3
-
$565 USD
£445 GBP
View
A
Retailer 4
-
$965 USD
SGD 1,304 SGD
View
A
Retailer 5
-
$1,032 USD
View
B+
Retailer 6
-
$1,099 USD
View
B+
Retailer 7
-
$1,205 USD
£949 GBP
View
Most Expensive
B
Brilliant Earth
15002112A · Oct 28
$3,600 USD
View
7 more retailers have this diamond
Prices start from $270 USDSave up to $3,330 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
$270 USD