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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG836612366

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836612366

Diamond specifications and retailer prices

From $320 AUD
$224 USD
As of November 1, 2026
Save $2,420 AUD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,740 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG836612366 or 836612366. Listed at 9 retailers as of November 1, 2026, with prices from $320 to $2,740, a $2,420 spread on the same certified stone. Do Amore Diamonds lists it at $2,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612366
Dimensions7.37 × 6.49 × 4.33 mm
L/W Ratio1.14
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
7.37 mm6.49 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612366
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 38°Culet: NoneDepth 58.8%

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: Nov 1
Current: $2,740 AUD|Low: $320 AUD|High: $2,740 AUD|Avg: $1,030 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$320 AUD
Retailer 8$425 AUD
Retailer 2$479 AUD
Retailer 9$481 AUD
Retailer 5$956 AUD
Retailer 4$1,026 AUD
Retailer 7$1,513 AUD
Retailer 3$1,568 AUD
Do Amore Diamonds$2,740 AUD

13 data points across 9 retailers

9 retailers$320 AUD to $2,740 AUD

A
Cheapest Retailer
-
$320 AUD
$224 USD
Final sale: no returns
A
Retailer 2
-
$425 AUD
$298 USD
View
A
Retailer 3
-
$479 AUD
£264 GBP
View
B+
Retailer 4
-
$481 AUD
$337 USD
View
B+
Retailer 5
-
$956 AUD
View
B+
Retailer 6
-
$1,026 AUD
$719 USD
View
B
Retailer 7
-
$1,513 AUD
$1,060 USD
View
B+
Retailer 8
-
$1,568 AUD
£865 GBP
View
Most Expensive
B
Do Amore Diamonds
27-96CF8914A · Nov 2
$2,740 AUD
$1,920 USD
View
8 more retailers have this diamond
Prices start from $320 AUDSave up to $2,420 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
1.23ct Heart
$320 AUD