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Princess|Lab Grown|IGI

12.05ct G VS1 Princess Lab Grown Diamond

EX • G/VS1 • IGI LG826689343

Shape and cutting style on the report: Princess cut

Certificate IGI LG826689343

Diamond specifications and retailer prices

From $3,925 NZD
$2,212 USD
As of October 31, 2026
Save $14,617 NZD (79%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $18,541 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.05ct lab-grown princess diamond

This 12.05ct lab-grown princess sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826689343 or 826689343. Listed at 3 retailers as of October 31, 2026, with prices from $3,925 to $18,541, a $14,617 spread on the same certified stone. Brilliant Earth lists it at $18,541. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826689343
Dimensions12.61 × 12.36 × 8.74 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.61 mm12.36 mm12.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826689343
Side View
Table 68.0%Crown 43.3°Girdle: MediumPavilion 38.5°Culet: NoneDepth 70.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $18,541 NZD|Low: $3,925 NZD|High: $18,541 NZD|Avg: $10,060 NZD
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$3,925 NZD
Retailer 2$5,642 NZD
Brilliant Earth$18,541 NZD

37 data points across 3 retailers

3 retailers$3,925 NZD to $18,541 NZD

A
Cheapest Retailer
-
$3,925 NZD
$2,212 USD
Final sale: no returns
A
Retailer 2
-
$5,642 NZD
£2,504 GBP
View
Most Expensive
B
Brilliant Earth
21227550A · Oct 31
$18,541 NZD
$10,450 USD
View
2 more retailers have this diamond
Prices start from $3,925 NZDSave up to $14,617 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 Princess
$3,925 NZD