Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG512227222

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

Certificate IGI LG512227222

Diamond specifications and retailer prices

From $722 USD
As of October 27, 2026
Save $1,342 USD (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,606 USD at Flawless Fine Jewelry · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227222 or 512227222. Listed at 12 retailers as of October 26, 2026, with a 186% 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
SymmetryVery Good
FluorescenceNone
Crown angle39.7°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227222
Dimensions6.55 × 4.96 × 3.48 mm
L/W Ratio1.32
Culet sizeLong
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
6.55 mm4.96 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG512227222
Side View
Table 66.0%Crown 39.7°Girdle: THK-VTKPavilion 31.9°Culet: LNGDepth 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 27
Current: $2,606 USD|Low: $693 USD|High: $3,334 USD|Avg: $1,472 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
Retailer 14
October 29, 2026
Retailer 9$722 USD
Retailer 10$760 USD
Retailer 14$786 USD
Retailer 3$838 USD
Retailer 11$838 USD
Retailer 6$1,014 USD
Retailer 4$1,015 USD
Retailer 5$1,316 USD
Retailer 13$1,359 USD
Retailer 2$1,540 USD
Retailer 8$2,064 USD
Retailer 12$2,356 USD
Flawless Fine Jewelry$2,606 USD
Retailer 7$3,294 USD

22 data points across 14 retailers

12 retailers$722 USD to $2,064 USD

B+
Cheapest Retailer
-
$722 USD
B
Retailer 2
-
$760 USD
View
B
Retailer 3
-
$786 USD
View
B
Retailer 4
-
$838 USD
View
Price last confirmed 12 days ago
B
Retailer 5
-
$838 USD
View
B
Retailer 6
-
$1,015 USD
View
B
Retailer 7
-
$1,359 USD
View
B
Retailer 8
-
$1,540 USD
ZAR 24,881 ZAR
View
B
Retailer 9
-
$2,064 USD
View
B
Retailer 10
-
$2,356 USD
View
Price under review
Most Expensive
B
Flawless Fine Jewelry
77780620A · Oct 29
$2,606 USD
£2,052 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $722 USDSave up to $1,342 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
$722 USD