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Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG791637217

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637217

Diamond specifications and retailer prices

From $268 AUD
$188 USD
As of October 30, 2026
Save $1,379 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,646 AUD at Reve Diamonds · As of October 30, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791637217 or 791637217. Listed at 18 retailers as of October 30, 2026, with prices from $268 to $1,646, a $1,379 spread on the same certified stone. Reve Diamonds lists it at $1,646. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637217
Dimensions6.48 × 7.56 × 4.44 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm7.56 mm1.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637217
Side View
Table 55.0%Crown 35.6°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 58.7%

Caratlytics Score

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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: $1,182 AUD|Low: $268 AUD|High: $1,654 AUD|Avg: $775 AUD|-13.5%
Retailer 1
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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
Reve Diamonds
October 30, 2026
Retailer 17$268 AUD
Retailer 8$299 AUD
Retailer 14$310 AUD
Retailer 3$333 AUD
Retailer 4$333 AUD
Retailer 16$418 AUD
Retailer 11$571 AUD
Retailer 9$585 AUD
Retailer 10$603 AUD
Retailer 6$635 AUD
Retailer 5$792 AUD
Retailer 12$812 AUD
Retailer 2$1,069 AUD
Retailer 15$1,072 AUD
Retailer 7$1,146 AUD
Retailer 1$1,182 AUD
Retailer 13$1,557 AUD
Reve Diamonds$1,646 AUD

37 data points across 18 retailers

18 retailers$268 AUD to $1,646 AUD

A
Cheapest Retailer
-
$268 AUD
$188 USD
A
Retailer 2
-
$299 AUD
$210 USD
View
Final sale: no returns
A
Retailer 3
-
$310 AUD
$218 USD
View
A
Retailer 4
-
$333 AUD
$234 USD
View
A
Retailer 5
-
$333 AUD
$234 USD
View
Retailer 6
-
$418 AUD
£231 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$571 AUD
ZAR 6,479 ZAR
View
A
Retailer 8
-
$585 AUD
$411 USD
View
A
Retailer 9
-
$603 AUD
£334 GBP
View
A
Retailer 10
-
$635 AUD
$446 USD
View
B+
Retailer 11
-
$792 AUD
$556 USD
View
B+
Retailer 12
-
$812 AUD
View
B+
Retailer 13
-
$1,069 AUD
$751 USD
View
B
Retailer 14
-
$1,072 AUD
$753 USD
View
B
Retailer 15
-
$1,146 AUD
$805 USD
View
B
Retailer 16
-
$1,182 AUD
$830 USD
View
B
Retailer 17
-
$1,557 AUD
£861 GBP
View
Most Expensive
B
Reve Diamonds
B955618CA · Oct 30
$1,646 AUD
$1,156 USD
View
17 more retailers have this diamond
Prices start from $268 AUDSave up to $1,379 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
$268 AUD