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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG851699527

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851699527

Diamond specifications and retailer prices

From $766 AUD
$538 USD
As of October 30, 2026
Save $3,199 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,965 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG851699527 or 851699527. Listed at 15 retailers as of October 30, 2026, with prices from $766 to $3,965, a $3,199 spread on the same certified stone. MOH London lists it at $3,965. 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

3.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851699527
Dimensions9.25 × 10.52 × 6.26 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm10.52 mm3.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851699527
Side View
Table 54.0%Crown 34.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.5%

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: $3,965 AUD|Low: $766 AUD|High: $3,965 AUD|Avg: $1,835 AUD
MOH London
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
November 1, 2026
Retailer 4$766 AUD
Retailer 5$857 AUD
Retailer 2$858 AUD
Retailer 9$950 AUD
Retailer 8$1,083 AUD
Retailer 13$1,139 AUD
Retailer 3$1,468 AUD
Retailer 11$1,479 AUD
Retailer 14$1,481 AUD
Retailer 12$2,234 AUD
Retailer 10$2,498 AUD
Retailer 7$3,006 AUD
Retailer 15$3,058 AUD
Retailer 6$3,084 AUD
MOH London$3,965 AUD

3 data points across 15 retailers

15 retailers$766 AUD to $3,965 AUD

A
Cheapest Retailer
-
$766 AUD
$538 USD
A
Retailer 2
-
$857 AUD
$602 USD
View
Final sale: no returns
A
Retailer 3
-
$858 AUD
$603 USD
View
A
Retailer 4
-
$950 AUD
$667 USD
View
A
Retailer 5
-
$1,083 AUD
£599 GBP
View
A
Retailer 6
-
$1,139 AUD
$800 USD
View
B+
Retailer 7
-
$1,468 AUD
$1,031 USD
View
A
Retailer 8
-
$1,479 AUD
£818 GBP
View
A
Retailer 9
-
$1,481 AUD
$1,040 USD
View
B+
Retailer 10
-
$2,234 AUD
$1,569 USD
View
B+
Retailer 11
-
$2,498 AUD
$1,755 USD
View
B+
Retailer 12
-
$3,006 AUD
SGD 2,853 SGD
View
B+
Retailer 13
-
$3,058 AUD
$2,148 USD
View
B+
Retailer 14
-
$3,084 AUD
$2,166 USD
View
Most Expensive
B
MOH London
LG851699527 · Nov 1
$3,965 AUD
£2,193 GBP
View
14 more retailers have this diamond
Prices start from $766 AUDSave up to $3,199 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
3.51ct Heart
$766 AUD