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 $4,586 NZD
£2,035 GBP
As of November 1, 2026
Save $15,314 NZD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $19,900 NZD 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 $4,586 to $19,900, a $15,314 spread on the same certified stone. Taylor and Hart lists it at $19,900. 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: $4,586 NZD|Low: $4,569 NZD|High: $19,900 NZD|Avg: $8,674 NZD|+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$4,586 NZD
Retailer 4$4,922 NZD
Retailer 9$5,355 NZD
Retailer 5$5,513 NZD
Retailer 6$5,672 NZD
Retailer 3$5,710 NZD
Retailer 10$5,713 NZD
Retailer 14$6,489 NZD
Retailer 7$7,682 NZD
Retailer 2$7,848 NZD
Retailer 12$8,204 NZD
Retailer 11$8,375 NZD
Retailer 8$14,342 NZD
Retailer 13$16,496 NZD
Taylor and Hart$19,900 NZD

42 data points across 15 retailers

15 retailers$4,586 NZD to $19,900 NZD

A
Cheapest Retailer
-
$4,586 NZD
£2,035 GBP
A
Retailer 2
-
$4,922 NZD
$2,774 USD
View
A
Retailer 3
-
$5,355 NZD
$3,018 USD
View
A
Retailer 4
-
$5,513 NZD
$3,107 USD
View
Final sale: no returns
Retailer 5
-
$5,672 NZD
$3,197 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$5,710 NZD
$3,218 USD
View
A
Retailer 7
-
$5,713 NZD
$3,220 USD
View
A
Retailer 8
-
$6,489 NZD
$3,657 USD
View
A
Retailer 9
-
$7,682 NZD
£3,409 GBP
View
A
Retailer 10
-
$7,848 NZD
$4,423 USD
View
A
Retailer 11
-
$8,204 NZD
$4,624 USD
View
A
Retailer 12
-
$8,375 NZD
$4,720 USD
View
B+
Retailer 13
-
$14,342 NZD
$8,083 USD
View
B+
Retailer 14
-
$16,496 NZD
$9,297 USD
View
Most Expensive
B
Taylor and Hart
FCLPYTQ · Oct 31
$19,900 NZD
$11,216 USD
View
14 more retailers have this diamond
Prices start from $4,586 NZDSave up to $15,314 NZD

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
$4,586 NZD