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Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG794629146

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

Certificate IGI LG794629146

Diamond specifications and retailer prices

From €149 EUR
$167 USD
As of October 30, 2026
Save €824 EUR (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €973 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794629146 or 794629146. Listed at 23 retailers as of October 30, 2026, with prices from €149 to €973, a €824 spread on the same certified stone. Reve Diamonds lists it at €973. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629146
Dimensions5.78 × 4.03 × 2.65 mm
L/W Ratio1.43
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.78 mm4.03 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629146
Side View
Table 69.0%Crown 41.8°Girdle: MediumPavilion 35.5°Culet: NoneDepth 65.8%

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 30
Current: €326 EUR|Low: €143 EUR|High: €969 EUR|Avg: €380 EUR|+3.7%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 2€149 EUR
Retailer 12€166 EUR
Retailer 8€173 EUR
Retailer 5€185 EUR
Retailer 9€185 EUR
Retailer 16€215 EUR
Retailer 3€251 EUR
Retailer 1€326 EUR
Retailer 14€334 EUR
Retailer 11€346 EUR
Retailer 4€349 EUR
Retailer 10€383 EUR
Retailer 15€471 EUR
Retailer 6€594 EUR
Retailer 7€606 EUR
Retailer 17€628 EUR
Retailer 13€870 EUR
Retailer 18€969 EUR

46 data points across 18 retailers

23 retailers€149 EUR to €973 EUR

A
Cheapest Retailer
-
€149 EUR
$167 USD
A
Retailer 2
-
€166 EUR
$186 USD
View
Final sale: no returns
A
Retailer 3
-
€173 EUR
$193 USD
View
Retailer 4
-
€185 EUR
$207 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€185 EUR
$207 USD
View
A
Retailer 6
-
€206 EUR
HK$1,800 HKD
View
Retailer 7
-
€215 EUR
$240 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
€251 EUR
$280 USD
View
B+
Retailer 9
-
€326 EUR
£286 GBP
View
B+
Retailer 10
-
€334 EUR
ZAR 6,033 ZAR
View
B+
Retailer 11
-
€346 EUR
View
B+
Retailer 12
-
€349 EUR
$390 USD
View
B
Retailer 13
-
€383 EUR
$428 USD
View
B
Retailer 14
-
€471 EUR
A$810 AUD
View
B
Retailer 15
-
€507 EUR
SGD 766 SGD
View
B
Retailer 16
-
€594 EUR
$664 USD
View
B
Retailer 17
-
€606 EUR
$677 USD
View
B
Retailer 18
-
€628 EUR
$702 USD
View
B
Retailer 19
-
€644 EUR
$719 USD
View
B
Retailer 20
-
€807 EUR
£710 GBP
View
B
Retailer 21
-
€870 EUR
£765 GBP
View
B
Retailer 22
-
€969 EUR
£852 GBP
View
Most Expensive
B
Reve Diamonds
1AE5E15FB · Nov 1
€973 EUR
$1,087 USD
View
22 more retailers have this diamond
Prices start from €149 EURSave up to €824 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
0.51ct Radiant
€149 EUR