Radiant|Lab Grown|IGI

1.51ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG638430098

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

Certificate IGI LG638430098

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of October 27, 2026
Save €733 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €917 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638430098 or 638430098. Listed at 18 retailers as of October 27, 2026, with prices from €184 to €917, a €733 spread on the same certified stone. MOH London lists it at €917. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638430098
Dimensions8.04 × 5.69 × 3.76 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.04 mm5.69 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638430098
Side View
Table 62.0%Crown 40.3°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €917 EUR|Low: €183 EUR|High: €961 EUR|Avg: €556 EUR|-3.6%
MOH London
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
November 1, 2026
Retailer 16€184 EUR
Retailer 12€207 EUR
Retailer 14€214 EUR
Retailer 7€237 EUR
Retailer 13€309 EUR
Retailer 2€395 EUR
Retailer 9€430 EUR
Retailer 15€440 EUR
Retailer 11€457 EUR
Retailer 4€535 EUR
Retailer 10€591 EUR
Retailer 6€770 EUR
Retailer 3€784 EUR
Retailer 5€868 EUR
Retailer 8€900 EUR
MOH London€917 EUR

28 data points across 16 retailers

18 retailers€184 EUR to €917 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
A
Retailer 2
-
€207 EUR
$231 USD
View
Final sale: no returns
A
Retailer 3
-
€214 EUR
$239 USD
View
A
Retailer 4
-
€229 EUR
$256 USD
View
Retailer 5
-
€237 EUR
$265 USD
View
Price last confirmed 7 days ago
Retailer 6
-
€237 EUR
$265 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
€309 EUR
$345 USD
View
A
Retailer 8
-
€395 EUR
ZAR 7,135 ZAR
View
A
Retailer 9
-
€430 EUR
View
A
Retailer 10
-
€440 EUR
$492 USD
View
A
Retailer 11
-
€457 EUR
$511 USD
View
A
Retailer 12
-
€535 EUR
A$919 AUD
View
B+
Retailer 13
-
€591 EUR
$660 USD
View
Retailer 14
-
€762 EUR
$851 USD
View
Price last confirmed 7 days ago
Retailer 15
-
€770 EUR
$860 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
€784 EUR
$876 USD
View
B+
Retailer 17
-
€868 EUR
$970 USD
View
Most Expensive
B+
MOH London
LG638430098 · Nov 1
€917 EUR
£807 GBP
View
17 more retailers have this diamond
Prices start from €184 EURSave up to €733 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.

A
1.51ct Radiant
€184 EUR