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Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG614320094

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

Certificate IGI LG614320094

Diamond specifications and retailer prices

From $1,175 NZD
£521 GBP
As of November 2, 2026
8 retailers carry this diamond
Most expensive: $1,715 NZD at MOH London · As of October 15, 2026
View at MOH London

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614320094 or 614320094. Listed at 8 retailers as of November 2, 2026. 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

1.09
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614320094
Dimensions7.20 × 5.04 × 3.43 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
7.20 mm5.04 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614320094
Side View
Table 64.0%Crown 45.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,715 NZD|Low: $254 NZD|High: $2,542 NZD|Avg: $994 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 16, 2026
Retailer 5$265 NZD
Retailer 11$297 NZD
Retailer 10$307 NZD
Retailer 4$475 NZD
Retailer 8$603 NZD
Retailer 6$1,031 NZD
Retailer 2$1,116 NZD
Retailer 7$1,166 NZD
Retailer 9$1,235 NZD
MOH London$1,715 NZD
Retailer 3$2,542 NZD

26 data points across 11 retailers

8 retailers

Retailer 1
-
$265 NZD
$149 USD
Price last confirmed 25 days ago
Retailer 2
-
$307 NZD
$173 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$603 NZD
$339 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$1,031 NZD
$580 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$1,116 NZD
$628 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,166 NZD
$656 USD
View
Price last confirmed 33 days ago
B
Retailer 7
-
$1,175 NZD
£521 GBP
View
Most Expensive
MOH London
LG614320094 · Oct 15
$1,715 NZD
£760 GBP
View
Price last confirmed 18 days ago
7 more retailers have this diamond
Prices start from $1,175 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.

B
1.09ct Radiant
$1,175 NZD