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Princess|Lab Grown|IGI

12.43ct J VS1 Princess Lab Grown Diamond

EX • J/VS1 • IGI LG841630867

Shape and cutting style on the report: Princess cut

Certificate IGI LG841630867

Diamond specifications and retailer prices

From $2,621 SGD
$2,050 USD
As of October 29, 2026
Save $7,095 SGD (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,716 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 12.43ct lab-grown princess diamond

This 12.43ct lab-grown princess sits in the over five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841630867 or 841630867. Listed at 3 retailers as of October 29, 2026, with prices from $2,621 to $9,716, a $7,095 spread on the same certified stone. Brilliant Earth lists it at $9,716. 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

12.43
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841630867
Dimensions12.79 × 12.68 × 8.69 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.79 mm12.68 mm12.43 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841630867
Side View
Table 70.0%Crown 43.3°Girdle: MediumPavilion 37.9°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $9,716 SGD|Low: $2,621 SGD|High: $13,883 SGD|Avg: $7,555 SGD|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$2,621 SGD
Retailer 2$3,748 SGD
Brilliant Earth$9,716 SGD

23 data points across 3 retailers

3 retailers$2,621 SGD to $9,716 SGD

A
Cheapest Retailer
-
$2,621 SGD
$2,050 USD
Final sale: no returns
B+
Retailer 2
-
$3,748 SGD
£2,309 GBP
View
Most Expensive
B
Brilliant Earth
21706122A · Oct 30
$9,716 SGD
$7,600 USD
View
2 more retailers have this diamond
Prices start from $2,621 SGDSave up to $7,095 SGD

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
12.43ct Princess
$2,621 SGD