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Heart|Lab Grown|IGI

12.33ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG602390181

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG602390181

Diamond specifications and retailer prices

From $7,309 AUD
$5,134 USD
As of November 1, 2026
Save $19,754 AUD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $27,063 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.33ct lab-grown heart diamond

This 12.33ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602390181 or 602390181. Listed at 16 retailers as of October 31, 2026, with prices from $7,309 to $27,063, a $19,754 spread on the same certified stone. Taylor and Hart lists it at $27,063. 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

12.33
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602390181
Dimensions14.00 × 15.89 × 9.24 mm
L/W Ratio1.14
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
14.00 mm15.89 mm12.33 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602390181
Side View
Table 63.0%Crown 37.6°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 58.1%

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: $14,328 AUD|Low: $6,265 AUD|High: $27,063 AUD|Avg: $11,502 AUD|-0.2%
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
Taylor and Hart
November 1, 2026
Retailer 12$6,526 AUD
Retailer 2$6,839 AUD
Retailer 4$7,309 AUD
Retailer 10$7,524 AUD
Retailer 13$7,571 AUD
Retailer 3$7,687 AUD
Retailer 11$8,979 AUD
Retailer 15$9,460 AUD
Retailer 7$9,580 AUD
Retailer 9$11,467 AUD
Retailer 14$11,708 AUD
Retailer 8$11,718 AUD
Retailer 6$12,123 AUD
Retailer 1$14,328 AUD
Retailer 5$21,039 AUD
Taylor and Hart$27,063 AUD

22 data points across 16 retailers

16 retailers$7,309 AUD to $27,063 AUD

Retailer 1
-
$6,526 AUD
$4,584 USD
Price last confirmed 11 days ago
Retailer 2
-
$6,839 AUD
$4,804 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$7,309 AUD
$5,134 USD
View
Final sale: no returns
A
Retailer 4
-
$7,524 AUD
$5,285 USD
View
Retailer 5
-
$7,571 AUD
$5,318 USD
View
Price last confirmed 11 days ago
Retailer 6
-
$7,571 AUD
$5,318 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$7,687 AUD
$5,400 USD
View
B+
Retailer 8
-
$8,979 AUD
$6,307 USD
View
Retailer 9
-
$9,460 AUD
$6,645 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$10,237 AUD
$7,191 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$11,467 AUD
$8,055 USD
View
B
Retailer 12
-
$11,708 AUD
$8,224 USD
View
B+
Retailer 13
-
$11,718 AUD
ZAR 132,971 ZAR
View
B
Retailer 14
-
$14,328 AUD
View
B
Retailer 15
-
$21,039 AUD
$14,779 USD
View
Most Expensive
B
Taylor and Hart
6ZMYRM5 · Oct 31
$27,063 AUD
$19,010 USD
View
15 more retailers have this diamond
Prices start from $7,309 AUDSave up to $19,754 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
12.33ct Heart
$7,309 AUD