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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG567358645

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

Certificate IGI LG567358645

Diamond specifications and retailer prices

From $221 SGD
$173 USD
As of October 27, 2026
Save $1,901 SGD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,122 SGD 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 LG567358645 or 567358645. Listed at 10 retailers as of October 27, 2026, with prices from $221 to $2,122, a $1,901 spread on the same certified stone. Do Amore Diamonds lists it at $2,122. 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 angle43.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567358645
Dimensions8.50 × 5.74 × 3.80 mm
L/W Ratio1.48
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
8.50 mm5.74 mm1.61 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567358645
Side View
Table 65.5%Crown 43.6°Girdle: MediumPavilion 33°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,122 SGD|Low: $220 SGD|High: $2,199 SGD|Avg: $907 SGD|-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 20, 2026
Retailer 9$221 SGD
Retailer 2$257 SGD
Retailer 13$257 SGD
Retailer 11$488 SGD
Retailer 3$536 SGD
Retailer 4$684 SGD
Retailer 6$822 SGD
Retailer 14$888 SGD
Retailer 7$931 SGD
Retailer 10$973 SGD
Retailer 5$1,172 SGD
Retailer 12$1,342 SGD
Retailer 8$1,422 SGD
Do Amore Diamonds$2,122 SGD

16 data points across 14 retailers

10 retailers$221 SGD to $2,122 SGD

A
Cheapest Retailer
-
$221 SGD
$173 USD
A
Retailer 2
-
$257 SGD
$201 USD
View
Final sale: no returns
A
Retailer 3
-
$257 SGD
$201 USD
View
B+
Retailer 4
-
$488 SGD
$382 USD
View
Retailer 5
-
$931 SGD
$728 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$973 SGD
$761 USD
View
B
Retailer 7
-
$1,318 SGD
£812 GBP
View
B
Retailer 8
-
$1,342 SGD
$1,050 USD
View
Retailer 9
-
$1,422 SGD
£876 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-670424053 · Oct 29
$2,122 SGD
$1,660 USD
View
9 more retailers have this diamond
Prices start from $221 SGDSave up to $1,901 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.

A
1.61ct Radiant
$221 SGD