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Heart|Lab Grown|IGI

3.51ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG678573994

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678573994

Diamond specifications and retailer prices

From $1,583 NZD
$892 USD
As of October 30, 2026
Save $5,958 NZD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,541 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG678573994 or 678573994. Listed at 5 retailers as of October 30, 2026, with prices from $1,583 to $7,541, a $5,958 spread on the same certified stone. Brilliant Earth lists it at $7,541. 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
Crown angle37.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573994
Dimensions10.18 × 10.18 × 9.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.18 mm3.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573994
Side View
Table 54.0%Crown 37.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.6%

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 30
Current: $7,541 NZD|Low: $1,295 NZD|High: $10,876 NZD|Avg: $3,292 NZD|-30.0%
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
October 30, 2026
Retailer 9$1,295 NZD
Retailer 10$1,557 NZD
Retailer 13$1,583 NZD
Retailer 5$1,764 NZD
Retailer 2$1,934 NZD
Retailer 11$1,945 NZD
Retailer 4$1,964 NZD
Retailer 7$2,662 NZD
Retailer 14$2,809 NZD
Retailer 8$2,959 NZD
Retailer 3$3,434 NZD
Retailer 6$4,244 NZD
Brilliant Earth$7,541 NZD
Retailer 12$8,570 NZD

18 data points across 14 retailers

5 retailers$1,583 NZD to $7,541 NZD

B+
Cheapest Retailer
-
$1,583 NZD
$892 USD
A
Retailer 2
-
$1,934 NZD
€1,038 EUR
View
A
Retailer 3
-
$2,662 NZD
A$2,308 AUD
View
B+
Retailer 4
-
$2,959 NZD
$1,668 USD
View
Most Expensive
B
Brilliant Earth
20509676A · Oct 30
$7,541 NZD
$4,250 USD
View
4 more retailers have this diamond
Prices start from $1,583 NZDSave up to $5,958 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.

A
3.51ct Heart
$1,583 NZD