Radiant|Lab Grown|IGI

3.12ct E VVS1 Radiant Lab Grown Diamond

VG • E/VVS1 • IGI LG787637099

Certificate IGI LG787637099

Diamond specifications and retailer prices

From $3,900 USD
As of October 30, 2026
Save $2,620 USD (40%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $6,520 USD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

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 very-good cut grade and certified by IGI LG787637099 or 787637099. Listed at 4 retailers as of October 30, 2026, with prices from $3,900 to $6,520, a $2,620 spread on the same certified stone. Kay Jewelers lists it at $6,520. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.12
Carat
E
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787637099
Dimensions10.28 × 7.38 × 5.14 mm
L/W Ratio1.39
Top View
10.28 mm7.38 mm3.12 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787637099
Side View
Table 70.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $6,520 USD|Low: $3,900 USD|High: $6,520 USD|Avg: $5,612 USD
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2$3,900 USD
Retailer 3$4,601 USD
Kay Jewelers$6,520 USD
Retailer 4$6,520 USD

2 data points across 4 retailers

4 retailers$3,900 USD to $6,520 USD

B
Cheapest Retailer
-
$3,900 USD
B
Retailer 2
-
$4,601 USD
View
B
Retailer 3
-
$6,520 USD
View
Most Expensive
B
Kay Jewelers
258823913 · Oct 30
$6,520 USD
View
3 more retailers have this diamond
Prices start from $3,900 USDSave up to $2,620 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
$3,900 USD