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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG805675561

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

Certificate IGI LG805675561

Diamond specifications and retailer prices

From $366 SGD
£225 GBP
As of November 2, 2026
Save $1,065 SGD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,431 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805675561 or 805675561. Listed at 12 retailers as of November 1, 2026, with prices from $366 to $1,431, a $1,065 spread on the same certified stone. MOH London lists it at $1,431. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805675561
Dimensions7.87 × 5.26 × 3.57 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.87 mm5.26 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805675561
Side View
Table 66.0%Crown 44.1°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.9%

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: $1,431 SGD|Low: $366 SGD|High: $1,439 SGD|Avg: $804 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5$366 SGD
Retailer 7$528 SGD
Retailer 4$533 SGD
Retailer 8$545 SGD
Retailer 6$558 SGD
Retailer 10$614 SGD
Retailer 2$746 SGD
Retailer 12$831 SGD
Retailer 11$987 SGD
Retailer 3$1,053 SGD
Retailer 9$1,215 SGD
MOH London$1,431 SGD

16 data points across 12 retailers

12 retailers$366 SGD to $1,431 SGD

A
Cheapest Retailer
-
$366 SGD
£225 GBP
A
Retailer 2
-
$528 SGD
ZAR 6,674 ZAR
View
A
Retailer 3
-
$533 SGD
$417 USD
View
A
Retailer 4
-
$545 SGD
€406 EUR
View
A
Retailer 5
-
$558 SGD
£343 GBP
View
A
Retailer 6
-
$614 SGD
$480 USD
View
B+
Retailer 7
-
$746 SGD
A$898 AUD
View
Retailer 8
-
$831 SGD
$650 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$987 SGD
$772 USD
View
B
Retailer 10
-
$1,053 SGD
$823 USD
View
B
Retailer 11
-
$1,215 SGD
$950 USD
View
Most Expensive
B
MOH London
LG805675561 · Nov 1
$1,431 SGD
£881 GBP
View
11 more retailers have this diamond
Prices start from $366 SGDSave up to $1,065 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
1.28ct Radiant
$366 SGD