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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG572350932

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

Certificate IGI LG572350932

Diamond specifications and retailer prices

From $247 AUD
$173 USD
As of October 27, 2026
Save $2,122 AUD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,369 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.61ct lab-grown radiant diamond

This 1.61ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG572350932 or 572350932. Listed at 9 retailers as of October 27, 2026, with prices from $247 to $2,369, a $2,122 spread on the same certified stone. Do Amore Diamonds lists it at $2,369. 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

1.61
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG572350932
Dimensions8.16 × 5.73 × 3.87 mm
L/W Ratio1.42
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
8.16 mm5.73 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG572350932
Side View
Table 66.0%Crown 47.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.5%

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: $2,369 AUD|Low: $245 AUD|High: $2,454 AUD|Avg: $1,019 AUD|-3.5%
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
Retailer 14
October 29, 2026
Retailer 9$247 AUD
Retailer 7$287 AUD
Retailer 13$287 AUD
Retailer 11$545 AUD
Retailer 3$598 AUD
Retailer 4$763 AUD
Retailer 6$917 AUD
Retailer 14$992 AUD
Retailer 8$1,039 AUD
Retailer 10$1,086 AUD
Retailer 5$1,308 AUD
Retailer 12$1,498 AUD
Retailer 2$1,587 AUD
Do Amore Diamonds$2,369 AUD

19 data points across 14 retailers

9 retailers$247 AUD to $2,369 AUD

A
Cheapest Retailer
-
$247 AUD
$173 USD
A
Retailer 2
-
$287 AUD
$201 USD
View
A
Retailer 3
-
$287 AUD
$201 USD
View
Final sale: no returns
B+
Retailer 4
-
$545 AUD
$382 USD
View
Retailer 5
-
$1,039 AUD
$728 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$1,086 AUD
$761 USD
View
B
Retailer 7
-
$1,498 AUD
$1,050 USD
View
B
Retailer 8
-
$1,587 AUD
£876 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5EE6C6595 · Oct 29
$2,369 AUD
$1,660 USD
View
8 more retailers have this diamond
Prices start from $247 AUDSave up to $2,122 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
1.61ct Radiant
$247 AUD