CaratHunter
Plans
Radiant|Lab Grown|IGI

0.98ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG581317570

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

Certificate IGI LG581317570

Diamond specifications and retailer prices

From $565 USD
£445 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: $565 USD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 0.98ct lab-grown radiant diamond

This 0.98ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581317570 or 581317570. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

0.98
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581317570
Dimensions7.06 × 4.95 × 3.27 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.06 mm4.95 mm0.98 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581317570
Side View
Table 65.0%Crown 42.4°Girdle: MediumPavilion 35.7°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $615 USD|Low: $99 USD|High: $650 USD|Avg: $492 USD
Retailer 1
Retailer 2
Retailer 3
August 15, 2026
Retailer 3$99 USD
Retailer 2$600 USD
Retailer 1$615 USD

25 data points across 3 retailers

1 retailer

B
Diamond Quarter
0.98SI1FLG7056DCN · Nov 2
$565 USD
£445 GBP
View

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
0.98ct Radiant
$565 USD