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12.03ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG843678306

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843678306

Diamond specifications and retailer prices

From $4,556 NZD
£2,018 GBP
As of November 2, 2026
Save $15,217 NZD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,772 NZD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.03ct lab-grown round diamond

This 12.03ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843678306 or 843678306. Listed at 12 retailers as of October 31, 2026, with prices from $4,556 to $19,772, a $15,217 spread on the same certified stone. Taylor and Hart lists it at $19,772. 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

12.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843678306
Dimensions14.91 × 14.86 × 8.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.91 mm14.86 mm12.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843678306
Side View
Table 58.0%Crown 33.6°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.6%

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 2
Current: $4,556 NZD|Low: $4,556 NZD|High: $19,772 NZD|Avg: $10,511 NZD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 2, 2026
Retailer 1$4,556 NZD
Retailer 11$5,476 NZD
Retailer 6$5,678 NZD
Retailer 4$7,632 NZD
Retailer 8$8,151 NZD
Retailer 7$8,782 NZD
Retailer 3$8,826 NZD
Retailer 5$10,510 NZD
Retailer 2$14,250 NZD
Retailer 9$15,820 NZD
Retailer 10$16,740 NZD
Taylor and Hart$19,772 NZD

11 data points across 12 retailers

12 retailers$4,556 NZD to $19,772 NZD

A
Cheapest Retailer
-
$4,556 NZD
£2,018 GBP
A
Retailer 2
-
$5,476 NZD
$3,081 USD
View
Final sale: no returns
A
Retailer 3
-
$5,678 NZD
$3,195 USD
View
A
Retailer 4
-
$7,632 NZD
£3,381 GBP
View
A
Retailer 5
-
$8,151 NZD
$4,586 USD
View
A
Retailer 6
-
$8,782 NZD
ZAR 79,824 ZAR
View
A
Retailer 7
-
$8,826 NZD
$4,966 USD
View
B+
Retailer 8
-
$10,510 NZD
A$9,098 AUD
View
B+
Retailer 9
-
$14,250 NZD
$8,018 USD
View
B
Retailer 10
-
$15,820 NZD
$8,901 USD
View
B
Retailer 11
-
$16,740 NZD
$9,419 USD
View
Most Expensive
B
Taylor and Hart
8N659ES · Oct 31
$19,772 NZD
$11,125 USD
View
11 more retailers have this diamond
Prices start from $4,556 NZDSave up to $15,217 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
12.03ct Round
$4,556 NZD