CaratHunter
Plans
Round|Lab Grown|IGI

1.61ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG660459191

Certificate IGI LG660459191

Diamond specifications and retailer prices

From $1,663 SGD
$1,300 USD
As of November 2, 2026
Save $959 SGD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,622 SGD 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 LG660459191 or 660459191. Listed at 3 retailers as of November 2, 2026, with prices from $1,663 to $2,622, a $959 spread on the same certified stone. Jared lists it at $2,622. 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 LG660459191
Dimensions7.49 × 7.52 mm
L/W Ratio1.00
Top View
7.49 mm7.52 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459191
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 2
Current: $2,622 SGD|Low: $1,650 SGD|High: $2,622 SGD|Avg: $2,028 SGD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$1,663 SGD
Retailer 3$1,663 SGD
Jared$2,622 SGD

7 data points across 3 retailers

3 retailers$1,663 SGD to $2,622 SGD

B
Cheapest Retailer
-
$1,663 SGD
$1,300 USD
B
Retailer 2
-
$1,663 SGD
$1,300 USD
View
Most Expensive
B
Jared
154541414 · Nov 2
$2,622 SGD
$2,050 USD
View
2 more retailers have this diamond
Prices start from $1,663 SGDSave up to $959 SGD

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
$1,663 SGD