CaratHunter
Plans
Radiant|Lab Grown|IGI

1.13ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1

Diamond specifications and retailer prices

From $256 USD
£202 GBP
As of November 2, 2026
Save $283 USD (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $539 USD at Blue Nile · As of October 31, 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 October 31, 2026, with prices from $256 to $539, a $283 spread on the same certified stone. Blue Nile lists it at $539. 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
Color
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: $539 USD|Low: $144 USD|High: $635 USD|Avg: $346 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$144 USD
Retailer 5$168 USD
Retailer 2$256 USD
Blue Nile$539 USD
Retailer 3$635 USD

39 data points across 5 retailers

2 retailers$256 USD to $539 USD

A
Cheapest Retailer
-
$256 USD
£202 GBP
Most Expensive
B
Blue Nile
20308829 · Oct 31
$539 USD
View
1 more retailer has this diamond
Prices start from $256 USDSave up to $283 USD

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
$256 USD