Radiant|Lab Grown|IGI

1.00ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG512224128

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

Certificate IGI LG512224128

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)
15 retailers carry this diamond
Most expensive: $2,623 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG512224128 or 512224128. Listed at 15 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
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512224128
Dimensions6.67 × 4.98 × 3.49 mm
L/W Ratio1.34
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
6.67 mm4.98 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512224128
Side View
Table 68.0%Crown 41.5°Girdle: THK-VTKPavilion 33.6°Culet: NoneDepth 70.1%

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: $3,308 USD|Low: $576 USD|High: $3,334 USD|Avg: $1,718 USD|-0.5%
Retailer 1
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
Reve Diamonds
October 29, 2026
Retailer 10$760 USD
Retailer 14$808 USD
Retailer 11$838 USD
Retailer 6$1,014 USD
Retailer 3$1,015 USD
Retailer 4$1,316 USD
Retailer 13$1,359 USD
Retailer 7$1,540 USD
Retailer 9$2,064 USD
Retailer 8$2,181 USD
Retailer 12$2,356 USD
Retailer 5$2,399 USD
Retailer 2$2,606 USD
Reve Diamonds$2,623 USD
Retailer 1$3,308 USD

21 data points across 15 retailers

15 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
-
$808 USD
View
Final sale: no returns
B
Retailer 5
-
$838 USD
View
B
Retailer 6
-
$838 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$1,015 USD
View
B
Retailer 8
-
$1,359 USD
View
B
Retailer 9
-
$1,540 USD
ZAR 24,881 ZAR
View
B
Retailer 10
-
$2,064 USD
View
B
Retailer 11
-
$2,181 USD
A$3,356 AUD
View
Price under review
B
Retailer 12
-
$2,356 USD
View
Price under review
B
Retailer 13
-
$2,606 USD
£2,052 GBP
View
Price under review
Most Expensive
B
Reve Diamonds
70B682A69 · Oct 28
$2,623 USD
View
Price under review
13 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