CaratHunter
Plans
Radiant|Lab Grown|IGI

1.09ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG830647097

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

Certificate IGI LG830647097

Diamond specifications and retailer prices

From $179 SGD
$140 USD
As of November 2, 2026
Save $864 SGD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,043 SGD at MOH London · As of October 29, 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 very-good cut grade and certified by IGI LG830647097 or 830647097. Listed at 11 retailers as of October 29, 2026, with prices from $179 to $1,043, a $864 spread on the same certified stone. MOH London lists it at $1,043. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830647097
Dimensions7.25 × 5.07 × 3.47 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm5.07 mm1.09 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830647097
Side View
Table 66.0%Crown 43.8°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,043 SGD|Low: $171 SGD|High: $1,809 SGD|Avg: $578 SGD|-42.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$179 SGD
Retailer 9$207 SGD
Retailer 3$289 SGD
Retailer 2$395 SGD
Retailer 6$550 SGD
Retailer 10$636 SGD
Retailer 7$714 SGD
Retailer 8$750 SGD
Retailer 4$753 SGD
MOH London$1,043 SGD

27 data points across 10 retailers

11 retailers$179 SGD to $1,043 SGD

A
Cheapest Retailer
-
$179 SGD
$140 USD
A
Retailer 2
-
$207 SGD
$162 USD
View
Retailer 3
-
$289 SGD
£178 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$395 SGD
€294 EUR
View
B+
Retailer 5
-
$537 SGD
$420 USD
View
B+
Retailer 6
-
$550 SGD
$430 USD
View
B+
Retailer 7
-
$636 SGD
$497 USD
View
B
Retailer 8
-
$714 SGD
$558 USD
View
Retailer 9
-
$750 SGD
View
Price last confirmed 20 days ago
B
Retailer 10
-
$753 SGD
$589 USD
View
Most Expensive
B
MOH London
LG830647097 · Oct 29
$1,043 SGD
£642 GBP
View
10 more retailers have this diamond
Prices start from $179 SGDSave up to $864 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
1.09ct Radiant
$179 SGD