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Round|Lab Grown|IGI

12.05ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG783666255

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783666255

Diamond specifications and retailer prices

From $3,679 AUD
£2,035 GBP
As of November 1, 2026
Save $12,288 AUD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,967 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783666255 or 783666255. Listed at 15 retailers as of October 31, 2026, with prices from $3,679 to $15,967, a $12,288 spread on the same certified stone. Taylor and Hart lists it at $15,967. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783666255
Dimensions14.74 × 14.66 × 8.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.74 mm14.66 mm12.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783666255
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.1%

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: $3,679 AUD|Low: $3,666 AUD|High: $15,967 AUD|Avg: $6,960 AUD|+0.4%
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
Taylor and Hart
November 1, 2026
Retailer 1$3,679 AUD
Retailer 4$3,949 AUD
Retailer 9$4,296 AUD
Retailer 5$4,423 AUD
Retailer 6$4,551 AUD
Retailer 3$4,581 AUD
Retailer 10$4,584 AUD
Retailer 14$5,206 AUD
Retailer 7$6,164 AUD
Retailer 2$6,297 AUD
Retailer 12$6,583 AUD
Retailer 11$6,719 AUD
Retailer 8$11,507 AUD
Retailer 13$13,235 AUD
Taylor and Hart$15,967 AUD

42 data points across 15 retailers

15 retailers$3,679 AUD to $15,967 AUD

A
Cheapest Retailer
-
$3,679 AUD
£2,035 GBP
A
Retailer 2
-
$3,949 AUD
$2,774 USD
View
A
Retailer 3
-
$4,296 AUD
$3,018 USD
View
A
Retailer 4
-
$4,423 AUD
$3,107 USD
View
Final sale: no returns
Retailer 5
-
$4,551 AUD
$3,197 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$4,581 AUD
$3,218 USD
View
A
Retailer 7
-
$4,584 AUD
$3,220 USD
View
A
Retailer 8
-
$5,206 AUD
$3,657 USD
View
A
Retailer 9
-
$6,164 AUD
£3,409 GBP
View
A
Retailer 10
-
$6,297 AUD
$4,423 USD
View
A
Retailer 11
-
$6,583 AUD
$4,624 USD
View
A
Retailer 12
-
$6,719 AUD
$4,720 USD
View
B+
Retailer 13
-
$11,507 AUD
$8,083 USD
View
B+
Retailer 14
-
$13,235 AUD
$9,297 USD
View
Most Expensive
B
Taylor and Hart
FCLPYTQ · Oct 31
$15,967 AUD
$11,216 USD
View
14 more retailers have this diamond
Prices start from $3,679 AUDSave up to $12,288 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
$3,679 AUD