Radiant|Lab Grown|IGI

0.71ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG520299947

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

Certificate IGI LG520299947

Diamond specifications and retailer prices

From $186 AUD
$131 USD
As of October 27, 2026
Save $1,607 AUD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,793 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 0.71ct lab-grown radiant diamond

This 0.71ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG520299947 or 520299947. Listed at 17 retailers as of October 27, 2026, with prices from $186 to $1,793, a $1,607 spread on the same certified stone. Do Amore Diamonds lists it at $1,793. 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

0.71
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.8°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520299947
Dimensions6.35 × 4.32 × 2.97 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.35 mm4.32 mm0.71 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520299947
Side View
Table 64.5%Crown 47.8°Girdle: Slightly ThickPavilion 34.5°Culet: NoneDepth 68.8%

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 27
Current: $439 AUD|Low: $209 AUD|High: $1,209 AUD|Avg: $600 AUD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$209 AUD
Retailer 4$334 AUD
Retailer 7$438 AUD
Retailer 1$439 AUD
Retailer 2$511 AUD
Retailer 8$528 AUD
Retailer 5$726 AUD
Retailer 6$787 AUD
Retailer 10$911 AUD
Retailer 3$1,202 AUD

38 data points across 10 retailers

17 retailers$186 AUD to $1,793 AUD

A
Cheapest Retailer
-
$186 AUD
$131 USD
B+
Retailer 2
-
$209 AUD
$147 USD
View
Final sale: no returns
B+
Retailer 3
-
$216 AUD
$152 USD
View
B+
Retailer 4
-
$232 AUD
$163 USD
View
B+
Retailer 5
-
$232 AUD
$163 USD
View
A
Retailer 6
-
$334 AUD
$235 USD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
$438 AUD
$308 USD
View
B+
Retailer 8
-
$439 AUD
£243 GBP
View
B+
Retailer 9
-
$528 AUD
$371 USD
View
B+
Retailer 10
-
$726 AUD
$510 USD
View
B
Retailer 11
-
$787 AUD
$553 USD
View
B
Retailer 12
-
$823 AUD
$578 USD
View
B
Retailer 13
-
$876 AUD
£485 GBP
View
B
Retailer 14
-
$1,071 AUD
$752 USD
View
B
Retailer 15
-
$1,202 AUD
£665 GBP
View
C
Retailer 16
-
$1,392 AUD
$978 USD
View
Most Expensive
C
Do Amore Diamonds
27-A06538D53 · Oct 29
$1,793 AUD
$1,260 USD
View
16 more retailers have this diamond
Prices start from $186 AUDSave up to $1,607 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
0.71ct Radiant
$186 AUD