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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 $357 NZD
$201 USD
As of November 2, 2026
Save $1,717 NZD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,074 NZD at MOH London · As of November 2, 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 2, 2026, with prices from $357 to $2,074, a $1,717 spread on the same certified stone. MOH London lists it at $2,074. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,074 NZD|Low: $355 NZD|High: $2,074 NZD|Avg: $882 NZD|+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 3, 2026
Retailer 5$357 NZD
Retailer 6$400 NZD
Retailer 3$414 NZD
Retailer 11$444 NZD
Retailer 7$459 NZD
Retailer 15$595 NZD
Retailer 8$808 NZD
Retailer 2$814 NZD
Retailer 12$906 NZD
Retailer 4$915 NZD
Retailer 10$1,145 NZD
Retailer 13$1,425 NZD
Retailer 14$1,662 NZD
Retailer 9$1,902 NZD
MOH London$2,074 NZD

45 data points across 15 retailers

15 retailers$357 NZD to $2,074 NZD

A
Cheapest Retailer
-
$357 NZD
$201 USD
A
Retailer 2
-
$400 NZD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$414 NZD
$233 USD
View
A
Retailer 4
-
$444 NZD
$250 USD
View
Retailer 5
-
$459 NZD
$258 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$595 NZD
$335 USD
View
A
Retailer 7
-
$808 NZD
€433 EUR
View
A
Retailer 8
-
$814 NZD
£361 GBP
View
A
Retailer 9
-
$906 NZD
$510 USD
View
A
Retailer 10
-
$915 NZD
$515 USD
View
B+
Retailer 11
-
$1,145 NZD
$644 USD
View
B+
Retailer 12
-
$1,425 NZD
$802 USD
View
B+
Retailer 13
-
$1,662 NZD
$935 USD
View
B
Retailer 14
-
$1,902 NZD
$1,070 USD
View
Most Expensive
B
MOH London
LG629440726 · Nov 2
$2,074 NZD
£919 GBP
View
14 more retailers have this diamond
Prices start from $357 NZDSave up to $1,717 NZD

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
$357 NZD