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Oval|Lab Grown|IGI

12.45ct E VS2 Oval Lab Grown Diamond

ID • E/VS2 • IGI LG578324214

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG578324214

Diamond specifications and retailer prices

From $3,186 AUD
$2,238 USD
As of October 29, 2026
Save $18,737 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,923 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 12.45ct lab-grown oval diamond

This 12.45ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG578324214 or 578324214. Listed at 14 retailers as of October 29, 2026, with prices from $3,186 to $21,923, a $18,737 spread on the same certified stone. Do Amore Diamonds lists it at $21,923. 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

12.45
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578324214
Dimensions18.72 × 13.13 × 8.20 mm
L/W Ratio1.43
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
18.72 mm13.13 mm12.45 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578324214
Side View
Table 59.0%Crown 35.8°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.5%

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: Oct 29
Current: $21,923 AUD|Low: $3,186 AUD|High: $25,425 AUD|Avg: $8,896 AUD|-13.8%
Do Amore Diamonds
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 1, 2026
Retailer 16$3,186 AUD
Retailer 2$3,277 AUD
Retailer 13$3,466 AUD
Retailer 10$3,929 AUD
Retailer 6$4,140 AUD
Retailer 14$4,829 AUD
Retailer 8$4,857 AUD
Retailer 5$5,609 AUD
Retailer 15$5,773 AUD
Retailer 11$5,794 AUD
Retailer 7$7,595 AUD
Retailer 3$12,478 AUD
Retailer 9$13,456 AUD
Retailer 12$13,959 AUD
Retailer 4$17,468 AUD
Do Amore Diamonds$21,923 AUD

37 data points across 16 retailers

14 retailers$3,186 AUD to $21,923 AUD

A
Cheapest Retailer
-
$3,186 AUD
$2,238 USD
A
Retailer 2
-
$3,277 AUD
£1,813 GBP
View
A
Retailer 3
-
$3,466 AUD
$2,435 USD
View
A
Retailer 4
-
$3,929 AUD
$2,760 USD
View
A
Retailer 5
-
$4,140 AUD
$2,908 USD
View
Final sale: no returns
A
Retailer 6
-
$4,829 AUD
HK$26,500 HKD
View
A
Retailer 7
-
$5,609 AUD
$3,940 USD
View
A
Retailer 8
-
$5,773 AUD
$4,055 USD
View
A
Retailer 9
-
$5,794 AUD
$4,070 USD
View
B
Retailer 10
-
$12,478 AUD
$8,765 USD
View
B
Retailer 11
-
$13,456 AUD
View
B
Retailer 12
-
$13,959 AUD
SGD 13,251 SGD
View
B
Retailer 13
-
$17,468 AUD
$12,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-BDCB9B720 · Oct 31
$21,923 AUD
$15,400 USD
View
13 more retailers have this diamond
Prices start from $3,186 AUDSave up to $18,737 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
12.45ct Oval
$3,186 AUD