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Heart|Lab Grown|IGI

3.51ct E VS2 Heart Lab Grown Diamond

EX • E/VS2

Diamond specifications and retailer prices

From $3,729 NZD
CA$2,919 CAD
As of October 30, 2026
Save $1,652 NZD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,381 NZD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from $3,729 to $5,381, a $1,652 spread on the same certified stone. The Diamond Guys lists it at $5,381. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.37 × 10.18 × 6.27 mm
L/W Ratio1.09
Top View
9.37 mm10.18 mm3.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 54.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,561 NZD|Low: $1,375 NZD|High: $5,381 NZD|Avg: $2,839 NZD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
September 10, 2026
Retailer 3$1,375 NZD
Retailer 1$1,561 NZD
Retailer 4$2,040 NZD
Retailer 2$3,729 NZD
The Diamond Guys$5,381 NZD

9 data points across 5 retailers

2 retailers$3,729 NZD to $5,381 NZD

B+
Cheapest Retailer
-
$3,729 NZD
CA$2,919 CAD
Most Expensive
B
The Diamond Guys
1964001758 · Oct 30
$5,381 NZD
$3,033 USD
View
1 more retailer has this diamond
Prices start from $3,729 NZDSave up to $1,652 NZD

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+
3.51ct Heart
$3,729 NZD