Radiant|Lab Grown|IGI

1.28ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG514252408

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

Certificate IGI LG514252408

Diamond specifications and retailer prices

From €818 EUR
$917 USD
As of November 2, 2026
Save €925 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,832 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514252408 or 514252408. 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

1.28
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252408
Dimensions7.62 × 5.39 × 3.42 mm
L/W Ratio1.41
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
7.62 mm5.39 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514252408
Side View
Table 64.5%Crown 38.7°Girdle: MED-STKPavilion 29.3°Culet: NoneDepth 63.5%

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: Nov 2
Current: €3,216 EUR|Low: €785 EUR|High: €3,254 EUR|Avg: €1,771 EUR
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
Retailer 16
Reve Diamonds
November 1, 2026
Retailer 13€818 EUR
Retailer 3€889 EUR
Retailer 5€915 EUR
Retailer 4€948 EUR
Retailer 15€948 EUR
Retailer 14€1,097 EUR
Retailer 11€1,106 EUR
Retailer 7€1,394 EUR
Retailer 16€1,519 EUR
Retailer 10€1,743 EUR
Retailer 12€2,109 EUR
Retailer 9€2,471 EUR
Retailer 6€2,622 EUR
Retailer 2€2,666 EUR
Retailer 8€2,715 EUR
Reve Diamonds€2,832 EUR
Retailer 1€3,216 EUR

29 data points across 17 retailers

15 retailers€818 EUR to €1,743 EUR

B+
Cheapest Retailer
-
€818 EUR
$917 USD
B
Retailer 2
-
€889 EUR
$997 USD
View
B
Retailer 3
-
€915 EUR
$1,026 USD
View
Final sale: no returns
Retailer 4
-
€948 EUR
$1,063 USD
View
Price last confirmed 16 days ago
B
Retailer 5
-
€948 EUR
$1,063 USD
View
B
Retailer 6
-
€1,097 EUR
$1,230 USD
View
B
Retailer 7
-
€1,106 EUR
$1,240 USD
View
B
Retailer 8
-
€1,519 EUR
$1,704 USD
View
B
Retailer 9
-
€1,743 EUR
ZAR 31,578 ZAR
View
Retailer 10
-
€2,109 EUR
$2,366 USD
View
Price under review
Retailer 11
-
€2,471 EUR
A$4,263 AUD
View
Price under review
Retailer 12
-
€2,622 EUR
£2,316 GBP
View
Price under review
Retailer 13
-
€2,666 EUR
$2,990 USD
View
Price under review
Most Expensive
Reve Diamonds
A1E1C30B9 · Nov 1
€2,832 EUR
$3,177 USD
View
Price under review
13 more retailers have this diamond
Prices start from €818 EURSave up to €925 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+
1.28ct Radiant
€818 EUR