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 $257 USD
As of October 23, 2026
Save $421 USD (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $678 USD at Diamond Quarter · As of October 28, 2026
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 23, 2026, with prices from $257 to $678, a $421 spread on the same certified stone. Diamond Quarter lists it at $678. 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
Color
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+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 23
Current: $257 USD|Low: $126 USD|High: $1,540 USD|Avg: $626 USD|-32.2%
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August 7, 2026
Retailer 5$126 USD
Retailer 1$257 USD
Retailer 7$304 USD
Retailer 8$352 USD
Retailer 4$478 USD
Retailer 9$485 USD
Retailer 6$493 USD
Retailer 12$588 USD
Retailer 10$591 USD
Retailer 2$839 USD
Retailer 11$1,082 USD
Retailer 3$1,450 USD

67 data points across 12 retailers

2 retailers$257 USD to $678 USD

B+
Cheapest Retailer
-
$257 USD
Most Expensive
B
Diamond Quarter
1.0VS1HLG988748N · Oct 28
$678 USD
£534 GBP
View
1 more retailer has this diamond
Prices start from $257 USDSave up to $421 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.

B+
1.00ct Radiant
$257 USD