Radiant|Lab Grown|IGI

3.12ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG602394663

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG602394663

Diamond specifications and retailer prices

From $5,406 USD
£4,257 GBP
As of October 29, 2026
Save $954 USD (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,360 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG602394663 or 602394663. Listed at 2 retailers as of October 29, 2026, with prices from $5,406 to $6,360, a $954 spread on the same certified stone. Brilliant Earth lists it at $6,360. 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

3.12
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602394663
Dimensions10.62 × 7.24 × 4.72 mm
L/W Ratio1.47
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.62 mm7.24 mm3.12 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602394663
Side View
Table 62.0%Crown 39.5°Girdle: MediumPavilion 33°Culet: NoneDepth 65.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $6,360 USD|Low: $4,942 USD|High: $6,360 USD|Avg: $5,727 USD
Brilliant Earth
Retailer 2
Retailer 3
December 31, 2025
Retailer 2$4,942 USD
Retailer 3$5,752 USD
Brilliant Earth$6,360 USD

6 data points across 3 retailers

2 retailers$5,406 USD to $6,360 USD

B
Cheapest Retailer
-
$5,406 USD
£4,257 GBP
Most Expensive
B
Brilliant Earth
8495788Y · Oct 29
$6,360 USD
View
1 more retailer has this diamond
Prices start from $5,406 USDSave up to $954 USD

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.

B
3.12ct Radiant
$5,406 USD