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Round|Lab Grown|IGI

0.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG741561699

Shape and cutting style on the report: Round brilliant

Certificate IGI LG741561699

Diamond specifications and retailer prices

From $133 AUD
As of November 5, 2026
Save $1,086 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,219 AUD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG741561699 or 741561699. Listed at 17 retailers as of November 4, 2026, with prices from $133 to $1,219, a $1,086 spread on the same certified stone. Reve Diamonds lists it at $1,219. 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

0.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741561699
Dimensions5.13 × 5.19 × 3.13 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.13 mm5.19 mm0.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741561699
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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 5
Current: $307 AUD|Low: $127 AUD|High: $1,220 AUD|Avg: $398 AUD|+7.5%
Retailer 1
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
Reve Diamonds
November 6, 2026
Retailer 6$133 AUD
Retailer 12$149 AUD
Retailer 7$154 AUD
Retailer 3$176 AUD
Retailer 15$176 AUD
Retailer 9$214 AUD
Retailer 1$307 AUD
Retailer 11$344 AUD
Retailer 2$346 AUD
Retailer 13$357 AUD
Retailer 14$497 AUD
Retailer 5$531 AUD
Retailer 10$593 AUD
Retailer 4$616 AUD
Retailer 8$1,211 AUD
Reve Diamonds$1,219 AUD

44 data points across 16 retailers

17 retailers$133 AUD to $1,219 AUD

A
Cheapest Retailer
-
$133 AUD
A
Retailer 2
-
$149 AUD
View
Final sale: no returns
A
Retailer 3
-
$154 AUD
View
A
Retailer 4
-
$176 AUD
View
Retailer 5
-
$176 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$214 AUD
View
A
Retailer 7
-
$307 AUD
View
B+
Retailer 8
-
$344 AUD
View
B+
Retailer 9
-
$346 AUD
View
Retailer 10
-
$357 AUD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
$389 AUD
View
B+
Retailer 12
-
$497 AUD
View
B+
Retailer 13
-
$531 AUD
View
B
Retailer 14
-
$593 AUD
View
B
Retailer 15
-
$616 AUD
View
B
Retailer 16
-
$1,211 AUD
View
Most Expensive
B
Reve Diamonds
A57F0CE12 · Nov 4
$1,219 AUD
$853 USD
View
16 more retailers have this diamond
Prices start from $133 AUDSave up to $1,086 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
$133 AUD