Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG653408777

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

Certificate IGI LG653408777

Diamond specifications and retailer prices

From $249 USD
As of October 23, 2026
Save $590 USD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $973 USD at MOH London · As of October 19, 2026
View at MOH London

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 top-tier cut grade and certified by IGI LG653408777 or 653408777. Listed at 7 retailers as of October 23, 2026, with a 237% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653408777
Dimensions7.09 × 5.17 × 3.34 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.17 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653408777
Side View
Table 66.0%Crown 38.8°Girdle: MED-STKPavilionCulet: NoneDepth 64.6%

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: Oct 23
Current: $973 USD|Low: $249 USD|High: $979 USD|Avg: $545 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 6$249 USD
Retailer 3$344 USD
Retailer 2$395 USD
Retailer 4$431 USD
Retailer 7$591 USD
Retailer 5$839 USD
MOH London$973 USD

7 data points across 7 retailers

7 retailers$249 USD to $839 USD

A
Cheapest Retailer
-
$249 USD
A
Retailer 2
-
$344 USD
View
A
Retailer 3
-
$395 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$431 USD
View
B+
Retailer 5
-
$643 USD
£507 GBP
View
B
Retailer 6
-
$839 USD
View
Most Expensive
B
MOH London
LG653408777 · Oct 19
$973 USD
£766 GBP
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $249 USDSave up to $590 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
1.00ct Radiant
$249 USD