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Radiant|Lab Grown|IGI

1.61ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG629440726

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

Certificate IGI LG629440726

Diamond specifications and retailer prices

From $257 SGD
$201 USD
As of November 2, 2026
Save $1,236 SGD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,493 SGD at MOH London · As of November 1, 2026
View at MOH London

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 LG629440726 or 629440726. Listed at 15 retailers as of November 1, 2026, with prices from $257 to $1,493, a $1,236 spread on the same certified stone. MOH London lists it at $1,493. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629440726
Dimensions8.39 × 5.86 × 3.86 mm
L/W Ratio1.43
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
8.39 mm5.86 mm1.61 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629440726
Side View
Table 64.0%Crown 42.7°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,493 SGD|Low: $256 SGD|High: $1,493 SGD|Avg: $632 SGD|+12.6%
MOH London
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
Retailer 15
November 2, 2026
Retailer 5$257 SGD
Retailer 6$288 SGD
Retailer 3$298 SGD
Retailer 11$320 SGD
Retailer 7$330 SGD
Retailer 15$428 SGD
Retailer 2$581 SGD
Retailer 8$586 SGD
Retailer 12$652 SGD
Retailer 4$659 SGD
Retailer 10$824 SGD
Retailer 13$1,026 SGD
Retailer 14$1,196 SGD
Retailer 9$1,368 SGD
MOH London$1,493 SGD

45 data points across 15 retailers

15 retailers$257 SGD to $1,493 SGD

A
Cheapest Retailer
-
$257 SGD
$201 USD
A
Retailer 2
-
$288 SGD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$298 SGD
$233 USD
View
A
Retailer 4
-
$320 SGD
$250 USD
View
Retailer 5
-
$330 SGD
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$428 SGD
$335 USD
View
A
Retailer 7
-
$581 SGD
€433 EUR
View
A
Retailer 8
-
$586 SGD
£361 GBP
View
A
Retailer 9
-
$652 SGD
$510 USD
View
A
Retailer 10
-
$659 SGD
$515 USD
View
B+
Retailer 11
-
$824 SGD
$644 USD
View
B+
Retailer 12
-
$1,026 SGD
$802 USD
View
B+
Retailer 13
-
$1,196 SGD
$935 USD
View
B
Retailer 14
-
$1,368 SGD
$1,070 USD
View
Most Expensive
B
MOH London
LG629440726 · Nov 1
$1,493 SGD
£919 GBP
View
14 more retailers have this diamond
Prices start from $257 SGDSave up to $1,236 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
$257 SGD