CaratHunter
Plans
Radiant|Lab Grown|IGI

3.16ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG612317948

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

Certificate IGI LG612317948

Diamond specifications and retailer prices

From €680 EUR
$760 USD
As of November 1, 2026
Save €1,817 EUR (73%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,497 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.16ct lab-grown radiant diamond

This 3.16ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG612317948 or 612317948. Listed at 3 retailers as of October 31, 2026, with prices from €680 to €2,497, a €1,817 spread on the same certified stone. Brilliant Earth lists it at €2,497. 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

3.16
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612317948
Dimensions10.51 × 7.10 × 4.64 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.51 mm7.10 mm3.16 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612317948
Side View
Table 65.0%Crown 44.2°Girdle: Slightly ThickPavilion 33.1°Culet: NoneDepth 65.4%

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 1
Current: €2,497 EUR|Low: €680 EUR|High: €2,497 EUR|Avg: €1,342 EUR
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3€680 EUR
Retailer 2€850 EUR
Brilliant Earth€2,497 EUR

2 data points across 3 retailers

3 retailers€680 EUR to €2,497 EUR

B+
Cheapest Retailer
-
€680 EUR
$760 USD
A
Retailer 2
-
€850 EUR
View
Most Expensive
B
Brilliant Earth
16509943A · Oct 31
€2,497 EUR
$2,790 USD
View
2 more retailers have this diamond
Prices start from €680 EURSave up to €1,817 EUR

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
3.16ct Radiant
€680 EUR