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 €646 EUR
$722 USD
As of October 30, 2026
Save €732 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,348 EUR at Reve Diamonds · As of October 30, 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 29, 2026, with a 113% 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
Colour
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 30
Current: €1,954 EUR|Low: €516 EUR|High: €2,984 EUR|Avg: €1,490 EUR|-0.1%
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
Retailer 15
Reve Diamonds
October 31, 2026
Retailer 11€646 EUR
Retailer 12€680 EUR
Retailer 2€704 EUR
Retailer 3€723 EUR
Retailer 13€750 EUR
Retailer 5€909 EUR
Retailer 6€1,178 EUR
Retailer 15€1,216 EUR
Retailer 9€1,379 EUR
Retailer 10€1,847 EUR
Retailer 1€1,954 EUR
Retailer 14€2,109 EUR
Retailer 7€2,147 EUR
Retailer 4€2,333 EUR
Reve Diamonds€2,348 EUR
Retailer 8€2,961 EUR

23 data points across 16 retailers

15 retailers€646 EUR to €1,379 EUR

B+
Cheapest Retailer
-
€646 EUR
$722 USD
B
Retailer 2
-
€680 EUR
$760 USD
View
B
Retailer 3
-
€704 EUR
$786 USD
View
B
Retailer 4
-
€723 EUR
$808 USD
View
Final sale: no returns
B
Retailer 5
-
€750 EUR
$838 USD
View
Retailer 6
-
€750 EUR
$838 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
€909 EUR
$1,015 USD
View
B
Retailer 8
-
€1,216 EUR
$1,359 USD
View
B
Retailer 9
-
€1,379 EUR
ZAR 24,881 ZAR
View
Retailer 10
-
€1,847 EUR
$2,064 USD
View
Price under review
Retailer 11
-
€1,954 EUR
A$3,359 AUD
View
Price under review
Retailer 12
-
€2,109 EUR
$2,356 USD
View
Price under review
Retailer 13
-
€2,333 EUR
£2,052 GBP
View
Price under review
Most Expensive
Reve Diamonds
70B682A69 · Oct 30
€2,348 EUR
$2,623 USD
View
Price under review
13 more retailers have this diamond
Prices start from €646 EURSave up to €732 EUR

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
€646 EUR