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Round|Lab Grown|IGI

12.05ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG843638579

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843638579

Diamond specifications and retailer prices

From $6,922 AUD
$4,862 USD
As of October 31, 2026
Save $18,638 AUD (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,560 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.05ct lab-grown round diamond

This 12.05ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843638579 or 843638579. Listed at 14 retailers as of October 31, 2026, with prices from $6,922 to $25,560, a $18,638 spread on the same certified stone. Taylor and Hart lists it at $25,560. 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

12.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843638579
Dimensions14.74 × 14.83 × 8.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.74 mm14.83 mm12.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843638579
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.3%

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: Oct 31
Current: $9,252 AUD|Low: $5,789 AUD|High: $25,560 AUD|Avg: $12,189 AUD|+0.7%
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
Taylor and Hart
November 1, 2026
Retailer 13$5,789 AUD
Retailer 2$6,922 AUD
Retailer 8$7,175 AUD
Retailer 1$9,252 AUD
Retailer 10$9,330 AUD
Retailer 12$10,257 AUD
Retailer 3$11,097 AUD
Retailer 6$11,098 AUD
Retailer 7$11,465 AUD
Retailer 4$13,407 AUD
Retailer 9$13,563 AUD
Retailer 11$14,279 AUD
Retailer 5$19,923 AUD
Taylor and Hart$25,560 AUD

17 data points across 14 retailers

14 retailers$6,922 AUD to $25,560 AUD

Retailer 1
-
$5,789 AUD
£3,202 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
$6,922 AUD
$4,862 USD
View
Final sale: no returns
A
Retailer 3
-
$7,175 AUD
$5,040 USD
View
B+
Retailer 4
-
$9,252 AUD
£5,117 GBP
View
B+
Retailer 5
-
$9,330 AUD
$6,554 USD
View
Retailer 6
-
$10,257 AUD
$7,205 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
$11,097 AUD
$7,795 USD
View
B+
Retailer 8
-
$11,098 AUD
ZAR 125,945 ZAR
View
B+
Retailer 9
-
$11,465 AUD
€7,670 EUR
View
B+
Retailer 10
-
$13,407 AUD
$9,418 USD
View
Retailer 11
-
$13,563 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$14,279 AUD
$10,030 USD
View
B
Retailer 13
-
$19,923 AUD
$13,995 USD
View
Most Expensive
B
Taylor and Hart
9M4K3ZG · Oct 31
$25,560 AUD
$17,954 USD
View
13 more retailers have this diamond
Prices start from $6,922 AUDSave up to $18,638 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
12.05ct Round
$6,922 AUD