Radiant|Lab Grown|IGI

1.00ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG512227945

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

Certificate IGI LG512227945

Diamond specifications and retailer prices

From $580 USD
As of October 30, 2026
Save $1,381 USD (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,393 USD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227945 or 512227945. Listed at 11 retailers as of October 30, 2026, with a 238% 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle30.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227945
Dimensions6.78 × 4.84 × 3.40 mm
L/W Ratio1.40
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
6.78 mm4.84 mm1.00 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512227945
Side View
Table 64.5%Crown 39°Girdle: MED-STKPavilion 30.7°Culet: NoneDepth 70.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,393 USD|Low: $580 USD|High: $3,274 USD|Avg: $1,441 USD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 2$580 USD
Retailer 8$662 USD
Retailer 12$720 USD
Retailer 9$768 USD
Retailer 4$891 USD
Retailer 13$945 USD
Retailer 3$1,228 USD
Retailer 11$1,253 USD
Retailer 5$1,719 USD
Retailer 7$1,961 USD
Retailer 10$2,159 USD
Flawless Fine Jewelry$2,393 USD
Retailer 6$3,239 USD

17 data points across 13 retailers

11 retailers$580 USD to $1,961 USD

B+
Cheapest Retailer
-
$580 USD
B
Retailer 2
-
$662 USD
View
B
Retailer 3
-
$720 USD
View
Retailer 4
-
$768 USD
View
Price last confirmed 14 days ago
B
Retailer 5
-
$768 USD
View
B
Retailer 6
-
$945 USD
View
B
Retailer 7
-
$1,253 USD
View
B
Retailer 8
-
$1,961 USD
View
Retailer 9
-
$2,159 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
EF3622D35 · Oct 31
$2,393 USD
£1,884 GBP
View
Price under review
9 more retailers have this diamond
Prices start from $580 USDSave up to $1,381 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
$580 USD