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Heart|Lab Grown|IGI

3.11ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG850692420

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG850692420

Diamond specifications and retailer prices

From $702 AUD
$493 USD
As of October 30, 2026
Save $8,110 AUD (92%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,812 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.11ct lab-grown heart diamond

This 3.11ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850692420 or 850692420. Listed at 11 retailers as of October 30, 2026, with prices from $702 to $8,812, a $8,110 spread on the same certified stone. Brilliant Earth lists it at $8,812. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850692420
Dimensions9.16 × 10.32 × 5.67 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm10.32 mm3.11 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850692420
Side View
Table 59.0%Crown 33.1°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 54.9%

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 30
Current: $8,812 AUD|Low: $702 AUD|High: $8,812 AUD|Avg: $2,307 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9$702 AUD
Retailer 3$948 AUD
Retailer 2$992 AUD
Retailer 5$1,068 AUD
Retailer 8$1,293 AUD
Retailer 10$1,354 AUD
Retailer 7$1,947 AUD
Retailer 4$2,288 AUD
Retailer 11$2,757 AUD
Retailer 6$2,849 AUD
Brilliant Earth$8,812 AUD

3 data points across 11 retailers

11 retailers$702 AUD to $8,812 AUD

A
Cheapest Retailer
-
$702 AUD
$493 USD
A
Retailer 2
-
$948 AUD
HK$5,200 HKD
View
A
Retailer 3
-
$992 AUD
£549 GBP
View
A
Retailer 4
-
$1,068 AUD
$750 USD
View
A
Retailer 5
-
$1,293 AUD
$908 USD
View
A
Retailer 6
-
$1,354 AUD
$951 USD
View
B+
Retailer 7
-
$1,947 AUD
$1,368 USD
View
Retailer 8
-
$2,288 AUD
$1,607 USD
View
B+
Retailer 9
-
$2,757 AUD
SGD 2,617 SGD
View
B+
Retailer 10
-
$2,849 AUD
$2,001 USD
View
Most Expensive
B
Brilliant Earth
22364902A · Oct 31
$8,812 AUD
$6,190 USD
View
10 more retailers have this diamond
Prices start from $702 AUDSave up to $8,110 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 Heart
$702 AUD