Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG815648781

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

Certificate IGI LG815648781

Diamond specifications and retailer prices

From $883 AUD
$620 USD
As of October 30, 2026
Save $4,257 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,139 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG815648781 or 815648781. Listed at 16 retailers as of October 28, 2026, with prices from $883 to $5,139, a $4,257 spread on the same certified stone. Rare Carat lists it at $5,139. 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 angle43.6°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815648781
Dimensions11.31 × 6.99 × 4.40 mm
L/W Ratio1.62
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm6.99 mm3.11 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815648781
Side View
Table 68.0%Crown 43.6°Girdle: MediumPavilion 31.5°Culet: NoneDepth 62.9%

Caratlytics Score

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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 30
Current: $5,139 AUD|Low: $883 AUD|High: $5,139 AUD|Avg: $2,372 AUD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 12$883 AUD
Retailer 8$1,167 AUD
Retailer 6$1,321 AUD
Retailer 7$1,442 AUD
Retailer 11$1,482 AUD
Retailer 2$1,524 AUD
Retailer 13$2,064 AUD
Retailer 3$2,132 AUD
Retailer 9$2,523 AUD
Retailer 10$2,625 AUD
Retailer 14$3,088 AUD
Retailer 4$3,160 AUD
Retailer 15$3,171 AUD
Retailer 5$4,285 AUD
Rare Carat$5,139 AUD

21 data points across 15 retailers

16 retailers$883 AUD to $5,139 AUD

A
Cheapest Retailer
-
$883 AUD
$620 USD
Final sale: no returns
A
Retailer 2
-
$1,167 AUD
$820 USD
View
B+
Retailer 3
-
$1,321 AUD
$928 USD
View
Retailer 4
-
$1,442 AUD
€965 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,482 AUD
$1,041 USD
View
A
Retailer 6
-
$1,524 AUD
£843 GBP
View
A
Retailer 7
-
$2,064 AUD
View
A
Retailer 8
-
$2,132 AUD
ZAR 24,196 ZAR
View
A
Retailer 9
-
$2,523 AUD
$1,772 USD
View
A
Retailer 10
-
$2,625 AUD
$1,844 USD
View
B+
Retailer 11
-
$3,088 AUD
SGD 2,931 SGD
View
B+
Retailer 12
-
$3,160 AUD
$2,220 USD
View
B+
Retailer 13
-
$3,171 AUD
$2,227 USD
View
Retailer 14
-
$4,143 AUD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
$4,285 AUD
£2,370 GBP
View
Most Expensive
B
Rare Carat
CN212-34A · Oct 28
$5,139 AUD
$3,610 USD
View
15 more retailers have this diamond
Prices start from $883 AUDSave up to $4,257 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
$883 AUD