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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 $201 USD
As of November 2, 2026
Save $966 USD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,167 USD 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 $201 to $1,167, a $966 spread on the same certified stone. MOH London lists it at $1,167. 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
Color
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

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: Nov 2
Current: $1,167 USD|Low: $200 USD|High: $1,167 USD|Avg: $494 USD|+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$201 USD
Retailer 6$225 USD
Retailer 3$233 USD
Retailer 11$250 USD
Retailer 7$258 USD
Retailer 15$335 USD
Retailer 2$455 USD
Retailer 8$458 USD
Retailer 12$510 USD
Retailer 4$515 USD
Retailer 10$644 USD
Retailer 13$802 USD
Retailer 14$935 USD
Retailer 9$1,070 USD
MOH London$1,167 USD

45 data points across 15 retailers

15 retailers$201 USD to $1,167 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
A
Retailer 4
-
$250 USD
View
Retailer 5
-
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$335 USD
View
A
Retailer 7
-
$455 USD
€433 EUR
View
A
Retailer 8
-
$458 USD
£361 GBP
View
A
Retailer 9
-
$510 USD
View
A
Retailer 10
-
$515 USD
View
B+
Retailer 11
-
$644 USD
View
B+
Retailer 12
-
$802 USD
View
B+
Retailer 13
-
$935 USD
View
B
Retailer 14
-
$1,070 USD
View
Most Expensive
B
MOH London
LG629440726 · Nov 1
$1,167 USD
£919 GBP
View
14 more retailers have this diamond
Prices start from $201 USDSave up to $966 USD

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
$201 USD