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Heart|Lab Grown|IGI

3.51ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG644444604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG644444604

Diamond specifications and retailer prices

From $998 AUD
As of November 4, 2026
Save $6,914 AUD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,912 AUD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644444604 or 644444604. Listed at 23 retailers as of November 4, 2026, with prices from $998 to $7,912, a $6,914 spread on the same certified stone. Do Amore Diamonds lists it at $7,912. 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
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644444604
Dimensions8.96 × 10.53 × 6.41 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.96 mm10.53 mm3.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644444604
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: Nov 4
Current: $7,912 AUD|Low: $855 AUD|High: $9,052 AUD|Avg: $2,606 AUD|-12.6%
Do Amore Diamonds
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
November 5, 2026
Retailer 5$855 AUD
Retailer 16$998 AUD
Retailer 4$1,105 AUD
Retailer 15$1,105 AUD
Retailer 10$1,290 AUD
Retailer 9$1,388 AUD
Retailer 7$1,423 AUD
Retailer 12$1,448 AUD
Retailer 6$1,463 AUD
Retailer 11$2,577 AUD
Retailer 13$2,624 AUD
Retailer 14$2,641 AUD
Retailer 3$3,608 AUD
Retailer 8$4,094 AUD
Retailer 2$4,469 AUD
Do Amore Diamonds$7,912 AUD

30 data points across 16 retailers

23 retailers$998 AUD to $7,912 AUD

Retailer 1
-
$855 AUD
Price last confirmed 34 days ago
Retailer 2
-
$891 AUD
View
Price last confirmed 9 days ago
Retailer 3
-
$969 AUD
View
Price last confirmed 37 days ago
A
Retailer 4
-
$998 AUD
View
Final sale: no returns
Retailer 5
-
$1,105 AUD
View
Price last confirmed 33 days ago
Retailer 6
-
$1,105 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$1,105 AUD
View
Retailer 8
-
$1,105 AUD
View
Price last confirmed 20 days ago
A
Retailer 9
-
$1,290 AUD
View
A
Retailer 10
-
$1,388 AUD
View
A
Retailer 11
-
$1,423 AUD
View
Retailer 12
-
$1,448 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$1,463 AUD
View
A
Retailer 14
-
$1,605 AUD
View
B+
Retailer 15
-
$2,577 AUD
View
Retailer 16
-
$2,624 AUD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$2,641 AUD
View
Retailer 18
-
$3,209 AUD
View
Price last confirmed 11 days ago
Retailer 19
-
$3,209 AUD
View
Price last confirmed 36 days ago
B
Retailer 20
-
$3,608 AUD
View
B
Retailer 21
-
$4,094 AUD
View
B
Retailer 22
-
$4,469 AUD
View
Most Expensive
B
Do Amore Diamonds
27-DEF17AF96 · Nov 5
$7,912 AUD
$5,550 USD
View
22 more retailers have this diamond
Prices start from $998 AUDSave up to $6,914 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
$998 AUD