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Heart|Lab Grown|IGI

3.31ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG717571426

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG717571426

Diamond specifications and retailer prices

From $857 AUD
$602 USD
As of October 31, 2026
Save $4,795 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,652 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.31ct lab-grown heart diamond

This 3.31ct 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 LG717571426 or 717571426. Listed at 15 retailers as of October 30, 2026, with prices from $857 to $5,652, a $4,795 spread on the same certified stone. Brilliant Earth lists it at $5,652. 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

3.31
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717571426
Dimensions9.14 × 10.17 × 6.06 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.14 mm10.17 mm3.31 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717571426
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 59.6%

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: $5,652 AUD|Low: $552 AUD|High: $6,278 AUD|Avg: $2,604 AUD
Brilliant Earth
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
Retailer 16
October 31, 2026
Retailer 5$857 AUD
Retailer 11$1,139 AUD
Retailer 13$1,274 AUD
Retailer 8$1,350 AUD
Retailer 2$1,466 AUD
Retailer 16$1,951 AUD
Retailer 9$2,004 AUD
Retailer 10$2,062 AUD
Retailer 3$2,162 AUD
Retailer 15$2,450 AUD
Retailer 14$3,056 AUD
Retailer 6$3,083 AUD
Retailer 4$3,123 AUD
Retailer 12$3,968 AUD
Brilliant Earth$5,652 AUD
Retailer 7$6,278 AUD

24 data points across 16 retailers

15 retailers$857 AUD to $5,652 AUD

A
Cheapest Retailer
-
$857 AUD
$602 USD
Final sale: no returns
A
Retailer 2
-
$1,139 AUD
$800 USD
View
B+
Retailer 3
-
$1,274 AUD
$895 USD
View
A
Retailer 4
-
$1,466 AUD
£811 GBP
View
A
Retailer 5
-
$1,951 AUD
View
A
Retailer 6
-
$2,004 AUD
View
A
Retailer 7
-
$2,062 AUD
ZAR 23,396 ZAR
View
B+
Retailer 8
-
$2,162 AUD
$1,519 USD
View
B+
Retailer 9
-
$2,450 AUD
$1,721 USD
View
B+
Retailer 10
-
$3,056 AUD
$2,147 USD
View
B+
Retailer 11
-
$3,083 AUD
$2,165 USD
View
B+
Retailer 12
-
$3,123 AUD
$2,194 USD
View
Retailer 13
-
$3,613 AUD
View
Price last confirmed 119 days ago
B
Retailer 14
-
$3,968 AUD
£2,195 GBP
View
Most Expensive
B
Brilliant Earth
21835216A · Oct 30
$5,652 AUD
$3,970 USD
View
14 more retailers have this diamond
Prices start from $857 AUDSave up to $4,795 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
3.31ct Heart
$857 AUD