CaratHunter
Plans
Heart|Lab Grown|IGI

4.25ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG847637078

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG847637078

Diamond specifications and retailer prices

From $978 AUD
$687 USD
As of October 31, 2026
Save $701 AUD (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,679 AUD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 4.25ct lab-grown heart diamond

This 4.25ct 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 LG847637078 or 847637078. Listed at 2 retailers as of October 31, 2026, with prices from $978 to $1,679, a $701 spread on the same certified stone. 77 Diamonds lists it at $1,679. 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

4.25
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847637078
Dimensions9.93 × 11.19 × 6.66 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.93 mm11.19 mm4.25 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847637078
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 39.9°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 31
Current: $1,679 AUD|Low: $978 AUD|High: $1,734 AUD|Avg: $1,459 AUD|-3.2%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2$978 AUD
77 Diamonds$1,679 AUD

10 data points across 2 retailers

2 retailers$978 AUD to $1,679 AUD

A
Cheapest Retailer
-
$978 AUD
$687 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
HSTVSQNVTTPFR · Nov 1
$1,679 AUD
£929 GBP
View
1 more retailer has this diamond
Prices start from $978 AUDSave up to $701 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
4.25ct Heart
$978 AUD