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Heart|Lab Grown|IGI

12.13ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG628489578

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG628489578

Diamond specifications and retailer prices

From $6,225 AUD
£3,435 GBP
As of November 2, 2026
Save $21,512 AUD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $27,737 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.13ct lab-grown heart diamond

This 12.13ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG628489578 or 628489578. Listed at 20 retailers as of October 31, 2026, with prices from $6,225 to $27,737, a $21,512 spread on the same certified stone. Taylor and Hart lists it at $27,737. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.13
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628489578
Dimensions13.66 × 16.11 × 9.45 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.Type IIa
Top View
13.66 mm16.11 mm12.13 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628489578
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 58.7%

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: $6,225 AUD|Low: $6,223 AUD|High: $21,542 AUD|Avg: $11,409 AUD|-1.2%
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 1$6,225 AUD
Retailer 15$6,682 AUD
Retailer 5$7,483 AUD
Retailer 4$7,751 AUD
Retailer 16$7,751 AUD
Retailer 12$7,755 AUD
Retailer 8$7,835 AUD
Retailer 3$9,684 AUD
Retailer 14$9,898 AUD
Retailer 9$10,078 AUD
Retailer 2$11,985 AUD
Retailer 13$11,997 AUD
Retailer 11$14,539 AUD
Retailer 10$14,682 AUD
Retailer 7$21,362 AUD
Retailer 6$21,542 AUD

40 data points across 16 retailers

20 retailers$6,225 AUD to $27,737 AUD

A
Cheapest Retailer
-
$6,225 AUD
£3,435 GBP
A
Retailer 2
-
$6,682 AUD
$4,683 USD
View
A
Retailer 3
-
$7,002 AUD
$4,907 USD
View
A
Retailer 4
-
$7,379 AUD
HK$40,400 HKD
View
A
Retailer 5
-
$7,483 AUD
$5,244 USD
View
Final sale: no returns
A
Retailer 6
-
$7,751 AUD
$5,432 USD
View
Retailer 7
-
$7,751 AUD
$5,432 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$7,755 AUD
$5,435 USD
View
A
Retailer 9
-
$7,835 AUD
$5,491 USD
View
B+
Retailer 10
-
$9,684 AUD
$6,787 USD
View
B+
Retailer 11
-
$9,898 AUD
$6,937 USD
View
B+
Retailer 12
-
$10,078 AUD
£5,561 GBP
View
B+
Retailer 13
-
$11,985 AUD
$8,399 USD
View
B+
Retailer 14
-
$11,997 AUD
ZAR 135,824 ZAR
View
B
Retailer 15
-
$13,511 AUD
$9,469 USD
View
B
Retailer 16
-
$14,539 AUD
$10,189 USD
View
B
Retailer 17
-
$14,682 AUD
View
B
Retailer 18
-
$21,362 AUD
SGD 20,231 SGD
View
B
Retailer 19
-
$21,542 AUD
$15,097 USD
View
Most Expensive
B
Taylor and Hart
7TQ4J77 · Oct 31
$27,737 AUD
$19,438 USD
View
19 more retailers have this diamond
Prices start from $6,225 AUDSave up to $21,512 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
12.13ct Heart
$6,225 AUD