Heart|Lab Grown|IGI

1.55ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG816615869

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816615869

Diamond specifications and retailer prices

From $363 AUD
$255 USD
As of October 30, 2026
Save $1,418 AUD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,392 AUD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct 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 LG816615869 or 816615869. Listed at 20 retailers as of October 26, 2026, with a 391% 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

1.55
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615869
Dimensions8.09 × 7.36 × 4.48 mm
L/W Ratio1.10
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
8.09 mm7.36 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615869
Side View
Table 58.0%Crown 36.1°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 55.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,392 AUD|Low: $349 AUD|High: $2,392 AUD|Avg: $1,066 AUD
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 13$363 AUD
Retailer 5$404 AUD
Retailer 12$416 AUD
Retailer 11$444 AUD
Retailer 19$450 AUD
Retailer 3$676 AUD
Retailer 20$728 AUD
Retailer 14$752 AUD
Retailer 8$763 AUD
Retailer 16$857 AUD
Retailer 17$927 AUD
Retailer 9$1,035 AUD
Retailer 2$1,136 AUD
Retailer 4$1,405 AUD
Retailer 7$1,446 AUD
Retailer 6$1,465 AUD
Retailer 18$1,520 AUD
Retailer 15$1,612 AUD
Retailer 10$1,781 AUD
Brilliant Earth$2,392 AUD

32 data points across 20 retailers

20 retailers$363 AUD to $1,781 AUD

A
Cheapest Retailer
-
$363 AUD
$255 USD
A
Retailer 2
-
$404 AUD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$416 AUD
$292 USD
View
A
Retailer 4
-
$444 AUD
$312 USD
View
A
Retailer 5
-
$450 AUD
$316 USD
View
A
Retailer 6
-
$676 AUD
$475 USD
View
A
Retailer 7
-
$728 AUD
€487 EUR
View
A
Retailer 8
-
$752 AUD
$528 USD
View
A
Retailer 9
-
$763 AUD
ZAR 8,654 ZAR
View
B+
Retailer 10
-
$857 AUD
£474 GBP
View
B+
Retailer 11
-
$927 AUD
$651 USD
View
B+
Retailer 12
-
$1,035 AUD
View
B+
Retailer 13
-
$1,136 AUD
$798 USD
View
B+
Retailer 14
-
$1,405 AUD
$987 USD
View
B+
Retailer 15
-
$1,446 AUD
$1,016 USD
View
B+
Retailer 16
-
$1,465 AUD
SGD 1,391 SGD
View
B
Retailer 17
-
$1,520 AUD
$1,068 USD
View
B+
Retailer 18
-
$1,612 AUD
$1,132 USD
View
B
Retailer 19
-
$1,781 AUD
£985 GBP
View
Most Expensive
Brilliant Earth
21421327A · Oct 12
$2,392 AUD
$1,680 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from $363 AUDSave up to $1,418 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
1.55ct Heart
$363 AUD