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Heart|Lab Grown|IGI

1.57ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG836610796

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836610796

Diamond specifications and retailer prices

From $428 AUD
$301 USD
As of October 30, 2026
Save $1,727 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,511 AUD at Novita Diamonds · As of October 5, 2026
View at Novita 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836610796 or 836610796. Listed at 19 retailers as of October 30, 2026, with a 403% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836610796
Dimensions8.13 × 7.03 × 4.70 mm
L/W Ratio1.16
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
8.13 mm7.03 mm1.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836610796
Side View
Table 64.0%Crown 35.2°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 57.8%

Caratlytics Score

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A+
Exceptional
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: $3,511 AUD|Low: $478 AUD|High: $3,511 AUD|Avg: $1,446 AUD|+2.4%
Novita 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
Retailer 15
Retailer 16
October 30, 2026
Retailer 4$478 AUD
Retailer 15$497 AUD
Retailer 14$531 AUD
Retailer 13$754 AUD
Retailer 2$865 AUD
Retailer 12$912 AUD
Retailer 9$942 AUD
Retailer 11$1,237 AUD
Retailer 16$1,550 AUD
Retailer 3$1,630 AUD
Retailer 7$1,705 AUD
Retailer 5$1,773 AUD
Retailer 8$1,865 AUD
Retailer 10$2,137 AUD
Retailer 6$2,156 AUD
Novita Diamonds$3,511 AUD

42 data points across 16 retailers

19 retailers$428 AUD to $2,156 AUD

A+
Cheapest Retailer
-
$428 AUD
$301 USD
A
Retailer 2
-
$478 AUD
$336 USD
View
Final sale: no returns
A
Retailer 3
-
$497 AUD
$349 USD
View
A
Retailer 4
-
$531 AUD
$373 USD
View
A
Retailer 5
-
$531 AUD
$373 USD
View
A
Retailer 6
-
$754 AUD
$530 USD
View
A
Retailer 7
-
$865 AUD
$608 USD
View
A
Retailer 8
-
$912 AUD
ZAR 10,346 ZAR
View
A
Retailer 9
-
$942 AUD
£521 GBP
View
A
Retailer 10
-
$1,237 AUD
View
A
Retailer 11
-
$1,550 AUD
$1,089 USD
View
B+
Retailer 12
-
$1,630 AUD
$1,145 USD
View
A
Retailer 13
-
$1,705 AUD
$1,198 USD
View
A
Retailer 14
-
$1,705 AUD
SGD 1,619 SGD
View
B+
Retailer 15
-
$1,773 AUD
$1,246 USD
View
B+
Retailer 16
-
$1,865 AUD
$1,310 USD
View
B+
Retailer 17
-
$2,137 AUD
£1,182 GBP
View
B+
Retailer 18
-
$2,156 AUD
$1,515 USD
View
Most Expensive
Novita Diamonds
cert_836610796 · Oct 5
$3,511 AUD
View
Price last confirmed 25 days ago
18 more retailers have this diamond
Prices start from $428 AUDSave up to $1,727 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+
1.57ct Heart
$428 AUD