Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG826687075

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

Certificate IGI LG826687075

Diamond specifications and retailer prices

From $915 USD
As of October 29, 2026
Save $5,014 USD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,929 USD at Frank Darling · As of October 29, 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 LG826687075 or 826687075. Listed at 8 retailers as of October 29, 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826687075
Dimensions10.96 × 6.86 × 4.53 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.96 mm6.86 mm3.11 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826687075
Side View
Table 67.0%Crown 43.5°Girdle: ThickPavilion 31.2°Culet: NoneDepth 66.0%

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 29
Current: $5,929 USD|Low: $608 USD|High: $5,929 USD|Avg: $2,029 USD
Frank Darling
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October 30, 2026
Retailer 17$608 USD
Retailer 10$915 USD
Retailer 2$950 USD
Retailer 15$1,024 USD
Retailer 12$1,046 USD
Retailer 5$1,091 USD
Retailer 7$1,500 USD
Retailer 16$1,868 USD
Retailer 13$1,971 USD
Retailer 8$2,057 USD
Retailer 6$2,287 USD
Retailer 9$2,291 USD
Retailer 3$2,797 USD
Retailer 4$2,860 USD
Retailer 14$3,640 USD
Retailer 11$5,660 USD
Frank Darling$5,929 USD

22 data points across 17 retailers

8 retailers$915 USD to $5,929 USD

A
Cheapest Retailer
-
$915 USD
A
Retailer 2
-
$950 USD
£748 GBP
View
A
Retailer 3
-
$1,046 USD
View
B+
Retailer 4
-
$1,971 USD
View
Retailer 5
-
$2,860 USD
A$4,400 AUD
View
Price last confirmed 32 days ago
Retailer 6
-
$3,640 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$5,660 USD
View
Most Expensive
B
Frank Darling
934537BD · Oct 29
$5,929 USD
View
7 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