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 $1,303 AUD
$915 USD
As of October 31, 2026
Save $7,139 AUD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,441 AUD 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 $1,303 to $8,441, a $7,139 spread on the same certified stone. Frank Darling lists it at $8,441. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $8,441 AUD|Low: $661 AUD|High: $8,441 AUD|Avg: $2,852 AUD
Frank Darling
Retailer 2
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Retailer 20
October 31, 2026
Retailer 8$918 AUD
Retailer 14$1,303 AUD
Retailer 19$1,480 AUD
Retailer 16$1,489 AUD
Retailer 6$1,573 AUD
Retailer 11$2,171 AUD
Retailer 2$2,625 AUD
Retailer 20$2,662 AUD
Retailer 13$2,691 AUD
Retailer 17$2,805 AUD
Retailer 12$2,972 AUD
Retailer 5$3,284 AUD
Retailer 10$3,300 AUD
Retailer 9$3,636 AUD
Retailer 3$4,007 AUD
Retailer 4$4,092 AUD
Retailer 7$4,424 AUD
Retailer 18$5,182 AUD
Retailer 15$8,058 AUD
Frank Darling$8,441 AUD

22 data points across 20 retailers

9 retailers$1,303 AUD to $8,441 AUD

A
Cheapest Retailer
-
$1,303 AUD
$915 USD
A
Retailer 2
-
$1,489 AUD
$1,046 USD
View
B+
Retailer 3
-
$2,625 AUD
View
B+
Retailer 4
-
$2,691 AUD
$1,890 USD
View
B+
Retailer 5
-
$2,805 AUD
$1,971 USD
View
Retailer 6
-
$4,092 AUD
View
Price last confirmed 32 days ago
Retailer 7
-
$5,182 AUD
$3,640 USD
View
Price last confirmed 26 days ago
B
Retailer 8
-
$8,058 AUD
$5,660 USD
View
Most Expensive
B
Frank Darling
934535BD · Oct 31
$8,441 AUD
$5,929 USD
View
8 more retailers have this diamond
Prices start from $1,303 AUDSave up to $7,139 AUD

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
$1,303 AUD