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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 $409 AUD
$287 USD
As of October 27, 2026
Save $3,819 AUD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,227 AUD 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 $409 to $4,227, a $3,819 spread on the same certified stone. Brilliant Earth lists it at $4,227. 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
Colour
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

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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 27
Current: $4,227 AUD|Low: $409 AUD|High: $4,227 AUD|Avg: $1,304 AUD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 21
October 30, 2026
Retailer 7$409 AUD
Retailer 9$457 AUD
Retailer 20$474 AUD
Retailer 5$507 AUD
Retailer 12$507 AUD
Retailer 19$527 AUD
Retailer 17$733 AUD
Retailer 10$834 AUD
Retailer 15$871 AUD
Retailer 4$880 AUD
Retailer 2$895 AUD
Retailer 13$1,178 AUD
Retailer 6$1,527 AUD
Retailer 18$1,557 AUD
Retailer 14$1,628 AUD
Retailer 11$1,656 AUD
Retailer 8$1,699 AUD
Retailer 21$1,779 AUD
Retailer 16$2,034 AUD
Retailer 3$2,155 AUD
Brilliant Earth$4,227 AUD

22 data points across 21 retailers

21 retailers$409 AUD to $4,227 AUD

A
Cheapest Retailer
-
$409 AUD
$287 USD
A
Retailer 2
-
$457 AUD
$321 USD
View
Final sale: no returns
A
Retailer 3
-
$474 AUD
$333 USD
View
A
Retailer 4
-
$507 AUD
$356 USD
View
A
Retailer 5
-
$507 AUD
$356 USD
View
Retailer 6
-
$527 AUD
£291 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$733 AUD
$515 USD
View
A
Retailer 8
-
$834 AUD
$586 USD
View
A
Retailer 9
-
$871 AUD
ZAR 9,880 ZAR
View
A
Retailer 10
-
$880 AUD
$618 USD
View
A
Retailer 11
-
$895 AUD
£495 GBP
View
A
Retailer 12
-
$1,178 AUD
View
A
Retailer 13
-
$1,527 AUD
$1,073 USD
View
A
Retailer 14
-
$1,557 AUD
$1,094 USD
View
A
Retailer 15
-
$1,628 AUD
$1,144 USD
View
A
Retailer 16
-
$1,656 AUD
SGD 1,572 SGD
View
A
Retailer 17
-
$1,699 AUD
$1,193 USD
View
A
Retailer 18
-
$1,779 AUD
$1,250 USD
View
B+
Retailer 19
-
$2,034 AUD
£1,125 GBP
View
B+
Retailer 20
-
$2,155 AUD
$1,514 USD
View
Most Expensive
B
Brilliant Earth
21738553A · Oct 28
$4,227 AUD
$2,970 USD
View
20 more retailers have this diamond
Prices start from $409 AUDSave up to $3,819 AUD

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
$409 AUD