CaratHunter
Plans
Radiant|Lab Grown|IGI

1.13ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1

Diamond specifications and retailer prices

From $328 SGD
As of November 2, 2026
Save $363 SGD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $691 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.13ct lab-grown radiant diamond

This 1.13ct 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. Listed at 2 retailers as of November 2, 2026, with prices from $328 to $691, a $363 spread on the same certified stone. Blue Nile lists it at $691. 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

1.13
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.43 × 5.19 × 3.52 mm
L/W Ratio1.43
Top View
7.43 mm5.19 mm1.13 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.0%CrownGirdle: MediumPavilionCulet: NoneDepth 67.8%

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: $691 SGD|Low: $185 SGD|High: $814 SGD|Avg: $444 SGD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$185 SGD
Retailer 5$215 SGD
Retailer 2$328 SGD
Blue Nile$691 SGD
Retailer 3$814 SGD

38 data points across 5 retailers

2 retailers$328 SGD to $691 SGD

A
Cheapest Retailer
-
$328 SGD
Most Expensive
B
Blue Nile
20308829 · Nov 5
$691 SGD
$539 USD
View
1 more retailer has this diamond
Prices start from $328 SGDSave up to $363 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
1.13ct Radiant
$328 SGD