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Heart|Lab Grown|IGI

1.56ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG836617777

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836617777

Diamond specifications and retailer prices

From $287 USD
As of October 27, 2026
Save $2,683 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,970 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.56ct lab-grown heart diamond

This 1.56ct 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 LG836617777 or 836617777. Listed at 21 retailers as of October 27, 2026, with prices from $287 to $2,970, a $2,683 spread on the same certified stone. Brilliant Earth lists it at $2,970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617777
Dimensions7.06 × 7.90 × 4.69 mm
L/W Ratio1.12
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
7.06 mm7.90 mm1.56 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617777
Side View
Table 62.0%Crown 38.3°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 59.4%

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 27
Current: $2,970 USD|Low: $287 USD|High: $2,970 USD|Avg: $918 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
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Retailer 13
Retailer 14
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 7$287 USD
Retailer 9$321 USD
Retailer 20$333 USD
Retailer 5$356 USD
Retailer 12$356 USD
Retailer 19$370 USD
Retailer 17$515 USD
Retailer 10$586 USD
Retailer 15$612 USD
Retailer 4$618 USD
Retailer 2$629 USD
Retailer 13$827 USD
Retailer 6$1,073 USD
Retailer 18$1,094 USD
Retailer 14$1,144 USD
Retailer 11$1,163 USD
Retailer 8$1,193 USD
Retailer 21$1,250 USD
Retailer 16$1,429 USD
Retailer 3$1,514 USD
Brilliant Earth$2,970 USD

21 data points across 21 retailers

21 retailers$287 USD to $2,970 USD

A
Cheapest Retailer
-
$287 USD
A
Retailer 2
-
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$333 USD
View
A
Retailer 4
-
$356 USD
View
A
Retailer 5
-
$356 USD
View
A
Retailer 6
-
$370 USD
£291 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$515 USD
View
A
Retailer 8
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$586 USD
View
A
Retailer 9
-
$612 USD
ZAR 9,880 ZAR
View
A
Retailer 10
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$618 USD
View
A
Retailer 11
-
$629 USD
£495 GBP
View
A
Retailer 12
-
$827 USD
A$1,273 AUD
View
A
Retailer 13
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$1,073 USD
View
A
Retailer 14
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$1,094 USD
View
A
Retailer 15
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$1,144 USD
View
A
Retailer 16
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$1,163 USD
SGD 1,572 SGD
View
A
Retailer 17
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$1,193 USD
View
A
Retailer 18
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$1,250 USD
View
B+
Retailer 19
-
$1,429 USD
£1,125 GBP
View
B+
Retailer 20
-
$1,514 USD
View
Most Expensive
B
Brilliant Earth
21738553A · Oct 28
$2,970 USD
View
20 more retailers have this diamond
Prices start from $287 USDSave up to $2,683 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
1.56ct Heart
$287 USD