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Radiant|Lab Grown|IGI

0.51ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG726571521

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG726571521

Diamond specifications and retailer prices

From $185 AUD
$130 USD
As of October 24, 2026
Save $1,464 AUD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,649 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG726571521 or 726571521. Listed at 19 retailers as of October 24, 2026, with prices from $185 to $1,649, a $1,464 spread on the same certified stone. MOH London lists it at $1,649. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726571521
Dimensions5.57 × 3.87 × 2.75 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.57 mm3.87 mm0.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG726571521
Side View
Table 72.0%Crown 42.4°Girdle: ThickPavilion 35.8°Culet: NoneDepth 71.1%

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 24
Current: $1,649 AUD|Low: $130 AUD|High: $1,667 AUD|Avg: $550 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
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Retailer 17
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Retailer 19
Retailer 20
October 27, 2026
Retailer 20$159 AUD
Retailer 7$178 AUD
Retailer 19$185 AUD
Retailer 5$209 AUD
Retailer 10$209 AUD
Retailer 14$351 AUD
Retailer 16$374 AUD
Retailer 9$389 AUD
Retailer 2$395 AUD
Retailer 15$399 AUD
Retailer 17$480 AUD
Retailer 12$524 AUD
Retailer 13$538 AUD
Retailer 11$582 AUD
Retailer 3$634 AUD
Retailer 4$655 AUD
Retailer 6$716 AUD
Retailer 18$1,041 AUD
Retailer 8$1,298 AUD
MOH London$1,649 AUD

35 data points across 20 retailers

19 retailers$185 AUD to $1,649 AUD

Retailer 1
-
$159 AUD
$112 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$185 AUD
$130 USD
View
A
Retailer 3
-
$209 AUD
$147 USD
View
A
Retailer 4
-
$209 AUD
$147 USD
View
Retailer 5
-
$351 AUD
ZAR 3,981 ZAR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$374 AUD
€250 EUR
View
B+
Retailer 7
-
$389 AUD
$273 USD
View
B+
Retailer 8
-
$395 AUD
£218 GBP
View
Retailer 9
-
$399 AUD
$280 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$480 AUD
$337 USD
View
B+
Retailer 11
-
$524 AUD
$368 USD
View
B
Retailer 12
-
$538 AUD
£298 GBP
View
B+
Retailer 13
-
$582 AUD
$409 USD
View
B
Retailer 14
-
$634 AUD
$445 USD
View
B
Retailer 15
-
$655 AUD
$460 USD
View
B
Retailer 16
-
$716 AUD
$503 USD
View
B
Retailer 17
-
$1,041 AUD
£576 GBP
View
B
Retailer 18
-
$1,298 AUD
$912 USD
View
Most Expensive
B
MOH London
LG726571521 · Oct 26
$1,649 AUD
£912 GBP
View
18 more retailers have this diamond
Prices start from $185 AUDSave up to $1,464 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 Radiant
$185 AUD