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Radiant|Lab Grown|IGI

1.63ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG614309946

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

Certificate IGI LG614309946

Diamond specifications and retailer prices

From $221 AUD
$155 USD
As of October 27, 2026
Save $1,901 AUD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,121 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown radiant diamond

This 1.63ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614309946 or 614309946. Listed at 10 retailers as of October 27, 2026, with prices from $221 to $2,121, a $1,901 spread on the same certified stone. Do Amore Diamonds lists it at $2,121. 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

1.63
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614309946
Dimensions8.56 × 5.77 × 3.83 mm
L/W Ratio1.48
Culet sizeNone
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
8.56 mm5.77 mm1.63 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614309946
Side View
Table 64.0%Crown 39°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.4%

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: Oct 27
Current: $2,121 AUD|Low: $221 AUD|High: $2,235 AUD|Avg: $1,004 AUD|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 8$221 AUD
Retailer 6$255 AUD
Retailer 13$261 AUD
Retailer 10$500 AUD
Retailer 3$586 AUD
Retailer 4$864 AUD
Retailer 7$927 AUD
Retailer 9$969 AUD
Retailer 11$1,014 AUD
Retailer 5$1,312 AUD
Retailer 2$1,417 AUD
Retailer 12$1,481 AUD
Do Amore Diamonds$2,121 AUD

22 data points across 13 retailers

10 retailers$221 AUD to $2,121 AUD

A
Cheapest Retailer
-
$221 AUD
$155 USD
A
Retailer 2
-
$255 AUD
$179 USD
View
A
Retailer 3
-
$261 AUD
$183 USD
View
Final sale: no returns
B+
Retailer 4
-
$500 AUD
$351 USD
View
B+
Retailer 5
-
$927 AUD
$651 USD
View
B+
Retailer 6
-
$969 AUD
$681 USD
View
B+
Retailer 7
-
$1,014 AUD
$712 USD
View
B+
Retailer 8
-
$1,417 AUD
£784 GBP
View
B
Retailer 9
-
$1,481 AUD
$1,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-3D76ACC31 · Oct 29
$2,121 AUD
$1,490 USD
View
9 more retailers have this diamond
Prices start from $221 AUDSave up to $1,901 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
1.63ct Radiant
$221 AUD