CaratHunter
Plans
Radiant|Lab Grown|IGI

1.05ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG650403968

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

Certificate IGI LG650403968

Diamond specifications and retailer prices

From $546 SGD
As of November 5, 2026
Save $99 SGD (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $645 SGD at MD Diamonds and Jewellers · As of November 5, 2026
View at MD Diamonds and Jewellers

About this 1.05ct lab-grown radiant diamond

This 1.05ct 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 LG650403968 or 650403968. Listed at 2 retailers as of November 5, 2026, with prices from $546 to $645, a $99 spread on the same certified stone. MD Diamonds and Jewellers lists it at $645. 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

1.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650403968
Dimensions7.30 × 5.00 × 3.30 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm5.00 mm1.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650403968
Side View
Table 68.0%Crown 46.3°Girdle: MediumPavilion 35.2°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $645 SGD|Low: $546 SGD|High: $645 SGD|Avg: $625 SGD
MD Diamonds and Jewellers
Retailer 2
September 26, 2026
Retailer 2$546 SGD
MD Diamonds and Jewellers$645 SGD

4 data points across 2 retailers

2 retailers$546 SGD to $645 SGD

B+
Cheapest Retailer
-
$546 SGD
Most Expensive
B
MD Diamonds and Jewellers
LG650403968 · Nov 5
$645 SGD
£396 GBP
View
1 more retailer has this diamond
Prices start from $546 SGDSave up to $99 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.

B+
1.05ct Radiant
$546 SGD