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Round|Lab Grown|IGI

0.51ct G VS1 Round Lab Grown Diamond

VG • G/VS1 • IGI LG825675477

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825675477

Diamond specifications and retailer prices

From $129 AUD
As of November 1, 2026
Save $1,050 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,178 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG825675477 or 825675477. Listed at 12 retailers as of November 1, 2026, with prices from $129 to $1,178, a $1,050 spread on the same certified stone. MOH London lists it at $1,178. 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

0.51
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825675477
Dimensions5.13 × 5.07 × 3.12 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.13 mm5.07 mm0.51 ctG / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825675477
Side View
Table 59.0%Crown 34.4°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 61.3%

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 1
Current: $1,178 AUD|Low: $129 AUD|High: $1,273 AUD|Avg: $443 AUD|-6.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$129 AUD
Retailer 9$150 AUD
Retailer 7$170 AUD
Retailer 4$178 AUD
Retailer 2$294 AUD
Retailer 3$301 AUD
Retailer 12$336 AUD
Retailer 8$457 AUD
Retailer 6$515 AUD
Retailer 5$574 AUD
Retailer 10$600 AUD
MOH London$1,178 AUD

40 data points across 12 retailers

12 retailers$129 AUD to $1,178 AUD

A
Cheapest Retailer
-
$129 AUD
A
Retailer 2
-
$150 AUD
View
B+
Retailer 3
-
$170 AUD
View
Retailer 4
-
$178 AUD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$294 AUD
View
B+
Retailer 6
-
$301 AUD
View
B+
Retailer 7
-
$336 AUD
View
B
Retailer 8
-
$457 AUD
View
B
Retailer 9
-
$515 AUD
View
B
Retailer 10
-
$574 AUD
View
B
Retailer 11
-
$600 AUD
View
Most Expensive
B
MOH London
LG825675477 · Nov 1
$1,178 AUD
£648 GBP
View
11 more retailers have this diamond
Prices start from $129 AUDSave up to $1,050 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 Round
$129 AUD