Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG821651359

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

Certificate IGI LG821651359

Diamond specifications and retailer prices

From $915 USD
As of October 31, 2026
Save $5,014 USD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,929 USD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.11ct lab-grown radiant diamond

This 3.11ct 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 LG821651359 or 821651359. Listed at 9 retailers as of October 31, 2026, with prices from $915 to $5,929, a $5,014 spread on the same certified stone. Frank Darling lists it at $5,929. 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

3.11
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821651359
Dimensions10.93 × 6.93 × 4.55 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm6.93 mm3.11 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821651359
Side View
Table 66.0%Crown 39.7°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,929 USD|Low: $464 USD|High: $5,929 USD|Avg: $2,003 USD
Frank Darling
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October 31, 2026
Retailer 8$645 USD
Retailer 14$915 USD
Retailer 19$1,040 USD
Retailer 16$1,046 USD
Retailer 6$1,105 USD
Retailer 11$1,525 USD
Retailer 2$1,844 USD
Retailer 20$1,870 USD
Retailer 13$1,890 USD
Retailer 17$1,971 USD
Retailer 12$2,088 USD
Retailer 5$2,307 USD
Retailer 10$2,318 USD
Retailer 9$2,554 USD
Retailer 3$2,815 USD
Retailer 4$2,874 USD
Retailer 7$3,108 USD
Retailer 18$3,640 USD
Retailer 15$5,660 USD
Frank Darling$5,929 USD

22 data points across 20 retailers

9 retailers$915 USD to $5,929 USD

A
Cheapest Retailer
-
$915 USD
A
Retailer 2
-
$1,046 USD
View
B+
Retailer 3
-
$1,844 USD
A$2,837 AUD
View
B+
Retailer 4
-
$1,890 USD
View
B+
Retailer 5
-
$1,971 USD
View
Retailer 6
-
$2,874 USD
A$4,422 AUD
View
Price last confirmed 32 days ago
Retailer 7
-
$3,640 USD
View
Price last confirmed 26 days ago
B
Retailer 8
-
$5,660 USD
View
Most Expensive
B
Frank Darling
934535BD · Oct 31
$5,929 USD
View
8 more retailers have this diamond
Prices start from $915 USDSave up to $5,014 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.

A
3.11ct Radiant
$915 USD