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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG600368614

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG600368614

Diamond specifications and retailer prices

From $291 AUD
$204 USD
As of November 2, 2026
Save $2,753 AUD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,044 AUD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG600368614 or 600368614. Listed at 19 retailers as of October 27, 2026, with prices from $291 to $3,044, a $2,753 spread on the same certified stone. Queensmith lists it at $3,044. 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 angle39.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600368614
Dimensions6.30 × 7.41 × 4.41 mm
L/W Ratio1.18
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
6.30 mm7.41 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600368614
Side View
Table 62.0%Crown 39.3°Girdle: MED-THKPavilion 39°Culet: NoneDepth 59.5%

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: Nov 2
Current: $443 AUD|Low: $291 AUD|High: $1,709 AUD|Avg: $792 AUD|-12.3%
Retailer 1
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
November 2, 2026
Retailer 7$291 AUD
Retailer 5$325 AUD
Retailer 3$338 AUD
Retailer 2$361 AUD
Retailer 15$361 AUD
Retailer 1$443 AUD
Retailer 10$624 AUD
Retailer 6$626 AUD
Retailer 9$665 AUD
Retailer 16$816 AUD
Retailer 12$884 AUD
Retailer 14$1,163 AUD
Retailer 13$1,167 AUD
Retailer 4$1,239 AUD
Retailer 8$1,527 AUD
Retailer 11$1,691 AUD

38 data points across 16 retailers

19 retailers$291 AUD to $3,044 AUD

A
Cheapest Retailer
-
$291 AUD
$204 USD
A
Retailer 2
-
$325 AUD
$228 USD
View
Final sale: no returns
A
Retailer 3
-
$338 AUD
$237 USD
View
A
Retailer 4
-
$361 AUD
$253 USD
View
Retailer 5
-
$361 AUD
$253 USD
View
Price last confirmed 8 days ago
Retailer 6
-
$405 AUD
$284 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$443 AUD
£244 GBP
View
A
Retailer 8
-
$624 AUD
ZAR 7,070 ZAR
View
A
Retailer 9
-
$626 AUD
$439 USD
View
A
Retailer 10
-
$665 AUD
£367 GBP
View
B+
Retailer 11
-
$816 AUD
$572 USD
View
B+
Retailer 12
-
$884 AUD
View
B+
Retailer 13
-
$933 AUD
$654 USD
View
B+
Retailer 14
-
$1,163 AUD
$815 USD
View
Retailer 15
-
$1,167 AUD
$818 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$1,239 AUD
$868 USD
View
B
Retailer 17
-
$1,527 AUD
$1,070 USD
View
B
Retailer 18
-
$1,691 AUD
£933 GBP
View
Most Expensive
B
Queensmith
LG600368614 · Oct 27
$3,044 AUD
£1,680 GBP
View
18 more retailers have this diamond
Prices start from $291 AUDSave up to $2,753 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
$291 AUD