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Heart|Lab Grown|IGI

1.57ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG677507567

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677507567

Diamond specifications and retailer prices

From $411 AUD
$289 USD
As of October 30, 2026
Save $1,642 AUD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,203 AUD at Brilliant Earth · As of October 16, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG677507567 or 677507567. Listed at 20 retailers as of October 29, 2026, with a 399% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677507567
Dimensions7.08 × 8.03 × 4.72 mm
L/W Ratio1.13
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
7.08 mm8.03 mm1.57 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677507567
Side View
Table 55.0%Crown 34.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.8%

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: $3,203 AUD|Low: $394 AUD|High: $3,289 AUD|Avg: $1,148 AUD|-2.6%
Brilliant Earth
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
Retailer 17
October 30, 2026
Retailer 4$411 AUD
Retailer 17$458 AUD
Retailer 8$477 AUD
Retailer 3$510 AUD
Retailer 5$510 AUD
Retailer 14$546 AUD
Retailer 15$797 AUD
Retailer 7$837 AUD
Retailer 12$876 AUD
Retailer 9$884 AUD
Retailer 2$901 AUD
Retailer 11$1,185 AUD
Retailer 13$1,341 AUD
Retailer 6$1,639 AUD
Retailer 16$1,960 AUD
Retailer 10$2,054 AUD
Brilliant Earth$3,203 AUD

43 data points across 17 retailers

20 retailers$411 AUD to $2,054 AUD

A
Cheapest Retailer
-
$411 AUD
$289 USD
A
Retailer 2
-
$458 AUD
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$477 AUD
$335 USD
View
A
Retailer 4
-
$510 AUD
$358 USD
View
A
Retailer 5
-
$510 AUD
$358 USD
View
Retailer 6
-
$546 AUD
£302 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$797 AUD
$560 USD
View
A
Retailer 8
-
$837 AUD
$588 USD
View
B+
Retailer 9
-
$876 AUD
ZAR 9,938 ZAR
View
B+
Retailer 10
-
$884 AUD
$621 USD
View
B+
Retailer 11
-
$901 AUD
£498 GBP
View
B+
Retailer 12
-
$965 AUD
$678 USD
View
B+
Retailer 13
-
$1,185 AUD
View
B
Retailer 14
-
$1,341 AUD
$942 USD
View
B
Retailer 15
-
$1,597 AUD
$1,122 USD
View
B
Retailer 16
-
$1,639 AUD
$1,151 USD
View
B
Retailer 17
-
$1,708 AUD
$1,200 USD
View
B
Retailer 18
-
$1,960 AUD
$1,377 USD
View
B
Retailer 19
-
$2,054 AUD
£1,136 GBP
View
Most Expensive
Brilliant Earth
14978893A · Oct 16
$3,203 AUD
$2,250 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from $411 AUDSave up to $1,642 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
$411 AUD