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Heart|Lab Grown|IGI

0.51ct G VVS2 Heart Lab Grown Diamond

ID • G/VVS2 • IGI LG726578607

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726578607

Diamond specifications and retailer prices

From $181 AUD
$127 USD
As of November 2, 2026
Save $619 AUD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,870 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG726578607 or 726578607. Listed at 19 retailers as of October 31, 2026, with a 342% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726578607
Dimensions5.46 × 5.12 × 3.19 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.46 mm5.12 mm0.51 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG726578607
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,870 AUD|Low: $174 AUD|High: $1,892 AUD|Avg: $503 AUD|-1.1%
MOH London
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
Retailer 15
November 2, 2026
Retailer 13$181 AUD
Retailer 6$203 AUD
Retailer 4$210 AUD
Retailer 5$224 AUD
Retailer 15$224 AUD
Retailer 14$317 AUD
Retailer 2$373 AUD
Retailer 9$397 AUD
Retailer 8$407 AUD
Retailer 10$471 AUD
Retailer 11$541 AUD
Retailer 7$655 AUD
Retailer 3$721 AUD
Retailer 12$761 AUD
MOH London$1,870 AUD

44 data points across 15 retailers

19 retailers$181 AUD to $801 AUD

A
Cheapest Retailer
-
$181 AUD
$127 USD
A
Retailer 2
-
$203 AUD
$142 USD
View
Final sale: no returns
A
Retailer 3
-
$210 AUD
$147 USD
View
A
Retailer 4
-
$224 AUD
$157 USD
View
Retailer 5
-
$224 AUD
$157 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$317 AUD
$222 USD
View
B+
Retailer 7
-
$373 AUD
£206 GBP
View
B+
Retailer 8
-
$397 AUD
€265 EUR
View
B+
Retailer 9
-
$407 AUD
ZAR 4,607 ZAR
View
B+
Retailer 10
-
$471 AUD
$330 USD
View
Retailer 11
-
$495 AUD
$347 USD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
$541 AUD
£298 GBP
View
B
Retailer 13
-
$622 AUD
SGD 589 SGD
View
B
Retailer 14
-
$655 AUD
$459 USD
View
B
Retailer 15
-
$701 AUD
$491 USD
View
B
Retailer 16
-
$721 AUD
$505 USD
View
B
Retailer 17
-
$761 AUD
$533 USD
View
B
Retailer 18
-
$801 AUD
$561 USD
View
Most Expensive
MOH London
LG726578607 · Nov 1
$1,870 AUD
£1,032 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $181 AUDSave up to $619 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
0.51ct Heart
$181 AUD