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Round|Lab Grown|IGI

0.51ct E SI2 Round Lab Grown Diamond

VG • E/SI2 • IGI LG849637020

Certificate IGI LG849637020

Diamond specifications and retailer prices

From $139 AUD
As of November 5, 2026
Save $995 AUD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,134 AUD at MOH London · As of November 4, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG849637020 or 849637020. Listed at 7 retailers as of November 4, 2026, with prices from $139 to $1,134, a $995 spread on the same certified stone. MOH London lists it at $1,134. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG849637020
Dimensions5.04 × 5.08 × 3.10 mm
L/W Ratio1.01
Top View
5.04 mm5.08 mm0.51 ctE / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG849637020
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 61.2%

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: Nov 5
Current: $1,134 AUD|Low: $139 AUD|High: $1,134 AUD|Avg: $411 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2$139 AUD
Retailer 5$183 AUD
Retailer 3$330 AUD
Retailer 4$336 AUD
Retailer 6$443 AUD
MOH London$1,134 AUD

4 data points across 6 retailers

7 retailers$139 AUD to $1,134 AUD

A
Cheapest Retailer
-
$139 AUD
Final sale: no returns
B+
Retailer 2
-
$183 AUD
View
B+
Retailer 3
-
$330 AUD
View
B+
Retailer 4
-
$336 AUD
View
B
Retailer 5
-
$429 AUD
View
B
Retailer 6
-
$443 AUD
View
Most Expensive
C
MOH London
LG849637020 · Nov 4
$1,134 AUD
£625 GBP
View
6 more retailers have this diamond
Prices start from $139 AUDSave up to $995 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
$139 AUD