Round|Lab Grown|IGI

1.61ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG660459222

Certificate IGI LG660459222

Diamond specifications and retailer prices

From $1,855 AUD
$1,300 USD
As of November 3, 2026
Save $1,070 AUD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,925 AUD at Jared · As of November 2, 2026
View at Jared

About this 1.61ct lab-grown round diamond

This 1.61ct lab-grown round 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 LG660459222 or 660459222. Listed at 3 retailers as of November 2, 2026, with prices from $1,855 to $2,925, a $1,070 spread on the same certified stone. Jared lists it at $2,925. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459222
Dimensions7.51 × 7.54 mm
L/W Ratio1.00
Top View
7.51 mm7.54 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459222
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $2,925 AUD|Low: $1,841 AUD|High: $2,925 AUD|Avg: $2,271 AUD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$1,855 AUD
Retailer 3$1,855 AUD
Jared$2,925 AUD

6 data points across 3 retailers

3 retailers$1,855 AUD to $2,925 AUD

B
Cheapest Retailer
-
$1,855 AUD
$1,300 USD
B
Retailer 2
-
$1,855 AUD
$1,300 USD
View
Most Expensive
B
Jared
154529036 · Nov 2
$2,925 AUD
$2,050 USD
View
2 more retailers have this diamond
Prices start from $1,855 AUDSave up to $1,070 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.

B
1.61ct Round
$1,855 AUD