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Heart|Lab Grown|IGI

0.42ct F SI1 Heart Lab Grown Diamond

VG • F/SI1 • IGI LG847661873

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG847661873

Diamond specifications and retailer prices

From $205 NZD
HK$900 HKD
As of November 1, 2026
Save $122 NZD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $327 NZD at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.42ct lab-grown heart diamond

This 0.42ct lab-grown heart sits in the sub-half-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG847661873 or 847661873. Listed at 3 retailers as of November 1, 2026, with prices from $205 to $327, a $122 spread on the same certified stone. Yorxs lists it at $327. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.42
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661873
Dimensions4.89 × 5.26 × 2.94 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.89 mm5.26 mm0.42 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG847661873
Side View
Table 53.0%Crown 32°Girdle: THN-MEDPavilion 37.8°CuletDepth 55.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $205 NZD|Low: $205 NZD|High: $327 NZD|Avg: $288 NZD
Retailer 1
Retailer 2
Yorxs
October 31, 2026
Retailer 1$205 NZD
Retailer 2$311 NZD
Yorxs$327 NZD

2 data points across 3 retailers

3 retailers$205 NZD to $327 NZD

B+
Cheapest Retailer
-
$205 NZD
HK$900 HKD
B
Retailer 2
-
$311 NZD
£138 GBP
View
Most Expensive
B
Yorxs
623179496 · Nov 2
$327 NZD
€175 EUR
View
2 more retailers have this diamond
Prices start from $205 NZDSave up to $122 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+
0.42ct Heart
$205 NZD