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Radiant|Lab Grown|IGI

0.66ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG541284501

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

Certificate IGI LG541284501

Diamond specifications and retailer prices

From $218 AUD
$153 USD
As of November 2, 2026
Save $1,270 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,488 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.66ct lab-grown radiant diamond

This 0.66ct lab-grown radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541284501 or 541284501. Listed at 15 retailers as of November 1, 2026, with prices from $218 to $1,488, a $1,270 spread on the same certified stone. Reve Diamonds lists it at $1,488. 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

0.66
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541284501
Dimensions6.13 × 4.29 × 2.92 mm
L/W Ratio1.43
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
6.13 mm4.29 mm0.66 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541284501
Side View
Table 63.0%Crown 38.8°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 68.1%

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 2
Current: $471 AUD|Low: $210 AUD|High: $1,279 AUD|Avg: $531 AUD|+4.6%
Retailer 1
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 8$218 AUD
Retailer 4$244 AUD
Retailer 12$253 AUD
Retailer 2$270 AUD
Retailer 9$270 AUD
Retailer 1$471 AUD
Retailer 11$494 AUD
Retailer 6$499 AUD
Retailer 3$598 AUD
Retailer 10$869 AUD
Retailer 7$917 AUD
Retailer 5$1,263 AUD

44 data points across 12 retailers

15 retailers$218 AUD to $1,488 AUD

A
Cheapest Retailer
-
$218 AUD
$153 USD
A
Retailer 2
-
$244 AUD
$171 USD
View
Final sale: no returns
A
Retailer 3
-
$253 AUD
$177 USD
View
A
Retailer 4
-
$270 AUD
$189 USD
View
Retailer 5
-
$270 AUD
$189 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$471 AUD
£260 GBP
View
B+
Retailer 7
-
$494 AUD
$346 USD
View
B+
Retailer 8
-
$499 AUD
$350 USD
View
B+
Retailer 9
-
$548 AUD
HK$3,000 HKD
View
B+
Retailer 10
-
$598 AUD
$419 USD
View
B
Retailer 11
-
$869 AUD
$609 USD
View
B
Retailer 12
-
$917 AUD
$643 USD
View
B
Retailer 13
-
$947 AUD
$664 USD
View
B
Retailer 14
-
$1,263 AUD
£697 GBP
View
Most Expensive
B
Reve Diamonds
6572DDC90 · Nov 1
$1,488 AUD
$1,043 USD
View
14 more retailers have this diamond
Prices start from $218 AUDSave up to $1,270 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
0.66ct Radiant
$218 AUD