CaratHunter
Plans
Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

GD • H/VS1 • IGI LG596339198

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

Certificate IGI LG596339198

Diamond specifications and retailer prices

From £505 GBP
As of October 31, 2026
2 retailers carry this diamond
Most expensive: £505 GBP at Diamond Quarter
View at Diamond Quarter

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG596339198 or 596339198. Listed at 2 retailers as of October 31, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.1°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596339198
Dimensions6.90 × 4.82 × 3.31 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
6.90 mm4.82 mm1.00 ctH / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596339198
Side View
Table 67.0%Crown 48.1°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 68.7%

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: Oct 31
Current: £192 GBP|Low: £94 GBP|High: £1,148 GBP|Avg: £467 GBP|-32.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 7, 2026
Retailer 5£94 GBP
Retailer 1£192 GBP
Retailer 7£227 GBP
Retailer 8£262 GBP
Retailer 4£356 GBP
Retailer 9£361 GBP
Retailer 6£367 GBP
Retailer 12£438 GBP
Retailer 10£440 GBP
Retailer 2£625 GBP
Retailer 11£806 GBP
Retailer 3£1,081 GBP

67 data points across 12 retailers

2 retailers

Retailer 1
-
£192 GBP
$257 USD
Price last confirmed 10 days ago
Most Expensive
B
Diamond Quarter
1.0VS1HLG988748N · Oct 31
£505 GBP
View
1 more retailer has this diamond

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
1.00ct Radiant
£505 GBP