Radiant|Lab Grown|IGI

5.21ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG797654994

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

Certificate IGI LG797654994

Diamond specifications and retailer prices

From €3,921 EUR
$4,381 USD
As of October 31, 2026
Save €8,770 EUR (69%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €18,254 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.21ct lab-grown radiant diamond

This 5.21ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797654994 or 797654994. Listed at 22 retailers as of October 31, 2026, with a 224% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.21
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797654994
Dimensions11.92 × 8.50 × 5.67 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.92 mm8.50 mm5.21 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797654994
Side View
Table 62.0%Crown 46.8°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 66.7%

Caratlytics Score

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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 31
Current: €10,356 EUR|Low: €3,178 EUR|High: €27,345 EUR|Avg: €8,941 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
Retailer 17
November 1, 2026
Retailer 9€3,921 EUR
Retailer 5€4,449 EUR
Retailer 6€4,451 EUR
Retailer 4€4,611 EUR
Retailer 16€4,646 EUR
Retailer 15€6,000 EUR
Retailer 14€6,176 EUR
Retailer 11€6,433 EUR
Retailer 8€7,203 EUR
Retailer 17€8,664 EUR
Retailer 2€9,696 EUR
Retailer 13€10,339 EUR
Retailer 1€10,356 EUR
Retailer 10€10,564 EUR
Retailer 12€11,403 EUR
Retailer 7€12,692 EUR
Retailer 3€27,345 EUR

44 data points across 17 retailers

22 retailers€3,921 EUR to €12,692 EUR

Retailer 1
-
€3,816 EUR
$4,263 USD
Price last confirmed 30 days ago
B+
Retailer 2
-
€3,921 EUR
$4,381 USD
View
Retailer 3
-
€4,166 EUR
$4,654 USD
View
Price last confirmed 34 days ago
B+
Retailer 4
-
€4,449 EUR
$4,971 USD
View
B+
Retailer 5
-
€4,451 EUR
$4,973 USD
View
Final sale: no returns
Retailer 6
-
€4,611 EUR
$5,151 USD
View
Price last confirmed 29 days ago
B+
Retailer 7
-
€4,646 EUR
$5,190 USD
View
B+
Retailer 8
-
€6,000 EUR
$6,703 USD
View
Retailer 9
-
€6,042 EUR
$6,750 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
€6,176 EUR
$6,900 USD
View
B+
Retailer 11
-
€6,433 EUR
£5,659 GBP
View
B
Retailer 12
-
€6,625 EUR
$7,401 USD
View
B
Retailer 13
-
€7,203 EUR
£6,336 GBP
View
B
Retailer 14
-
€8,664 EUR
$9,680 USD
View
Retailer 15
-
€9,696 EUR
A$16,665 AUD
View
Price last confirmed 23 days ago
B
Retailer 16
-
€10,339 EUR
ZAR 186,613 ZAR
View
B
Retailer 17
-
€10,356 EUR
£9,110 GBP
View
B
Retailer 18
-
€10,564 EUR
A$18,158 AUD
View
B
Retailer 19
-
€11,403 EUR
$12,740 USD
View
B
Retailer 20
-
€12,692 EUR
$14,179 USD
View
Most Expensive
Taylor and Hart
NSVBD1I · Oct 31
€18,254 EUR
$20,394 USD
View
Price under review
20 more retailers have this diamond
Prices start from €3,921 EURSave up to €8,770 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+
5.21ct Radiant
€3,921 EUR