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Heart|Lab Grown|IGI

0.50ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG709526554

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG709526554

Diamond specifications and retailer prices

From $373 AUD
£206 GBP
As of November 1, 2026
Save $144 AUD (28%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,582 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.5ct lab-grown heart diamond

This 0.5ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG709526554 or 709526554. Listed at 5 retailers as of October 31, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709526554
Dimensions4.92 × 5.55 × 3.11 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.92 mm5.55 mm0.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709526554
Side View
Table 62.0%Crown 32°Girdle: THK-VTKPavilion 36.9°Culet: NoneDepth 56.0%

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: Nov 1
Current: $1,582 AUD|Low: $340 AUD|High: $1,600 AUD|Avg: $644 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2$373 AUD
Retailer 4$379 AUD
Retailer 3$457 AUD
Retailer 5$517 AUD
MOH London$1,582 AUD

43 data points across 5 retailers

5 retailers$373 AUD to $517 AUD

B+
Cheapest Retailer
-
$373 AUD
£206 GBP
B+
Retailer 2
-
$379 AUD
$266 USD
View
B+
Retailer 3
-
$457 AUD
£253 GBP
View
B+
Retailer 4
-
$517 AUD
$363 USD
View
Most Expensive
MOH London
LG709526554 · Nov 1
$1,582 AUD
£875 GBP
View
Price under review
4 more retailers have this diamond
Prices start from $373 AUDSave up to $144 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+
0.50ct Heart
$373 AUD