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Heart|Lab Grown|GIA

3.18ct H VS1 Heart Lab Grown Diamond

EX • H/VS1

Diamond specifications and retailer prices

From $1,678 AUD
As of November 4, 2026
Save $4,441 AUD (73%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,118 AUD at Diamond Exchange Canada · As of November 2, 2026
View at Diamond Exchange Canada

About this 3.18ct lab-grown heart diamond

This 3.18ct 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 stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of November 2, 2026, with prices from $1,678 to $6,118, a $4,441 spread on the same certified stone. Diamond Exchange Canada lists it at $6,118. 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

3.18
Carat
H
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions9.55 × 9.99 × 5.84 mm
L/W Ratio1.05
Top View
9.55 mm9.99 mm3.18 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $6,118 AUD|Low: $1,487 AUD|High: $6,118 AUD|Avg: $2,896 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 17, 2026
Retailer 2$1,557 AUD
Retailer 3$1,678 AUD
Retailer 4$1,977 AUD
Diamond Exchange Canada$6,118 AUD

8 data points across 4 retailers

2 retailers$1,678 AUD to $6,118 AUD

B+
Cheapest Retailer
-
$1,678 AUD
Most Expensive
C
Diamond Exchange Canada
1986529669 · Nov 2
$6,118 AUD
CA$5,961 CAD
View
1 more retailer has this diamond
Prices start from $1,678 AUDSave up to $4,441 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.

B+
3.18ct Heart
$1,678 AUD