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Radiant|Lab Grown|IGI

5.21ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG665442716

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

Certificate IGI LG665442716

Diamond specifications and retailer prices

From €678 EUR
$760 USD
As of November 2, 2026
Save €2,537 EUR (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,214 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 5.21ct lab-grown radiant diamond

This 5.21ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665442716 or 665442716. Listed at 22 retailers as of November 1, 2026, with prices from €678 to €3,214, a €2,537 spread on the same certified stone. Rare Carat lists it at €3,214. 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
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665442716
Dimensions12.53 × 8.50 × 5.55 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.53 mm8.50 mm5.21 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665442716
Side View
Table 68.0%Crown 44.7°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 65.3%

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: Nov 2
Current: €3,214 EUR|Low: €645 EUR|High: €3,236 EUR|Avg: €1,778 EUR|-0.7%
Rare Carat
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 3, 2026
Retailer 3€678 EUR
Retailer 18€737 EUR
Retailer 8€786 EUR
Retailer 9€786 EUR
Retailer 12€865 EUR
Retailer 17€945 EUR
Retailer 2€1,204 EUR
Retailer 15€1,253 EUR
Retailer 16€1,271 EUR
Retailer 4€1,751 EUR
Retailer 11€1,755 EUR
Retailer 5€2,210 EUR
Retailer 6€2,446 EUR
Retailer 14€2,658 EUR
Retailer 7€2,714 EUR
Retailer 13€2,946 EUR
Retailer 10€3,041 EUR
Rare Carat€3,214 EUR

41 data points across 18 retailers

22 retailers€678 EUR to €3,214 EUR

A
Cheapest Retailer
-
€678 EUR
$760 USD
A
Retailer 2
-
€737 EUR
$827 USD
View
A
Retailer 3
-
€752 EUR
$843 USD
View
Final sale: no returns
A
Retailer 4
-
€786 EUR
$882 USD
View
Retailer 5
-
€786 EUR
$882 USD
View
Price last confirmed 17 days ago
A
Retailer 6
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€865 EUR
£764 GBP
View
A
Retailer 7
-
€936 EUR
HK$8,200 HKD
View
A
Retailer 8
-
€945 EUR
$1,060 USD
View
A
Retailer 9
-
€1,204 EUR
£1,064 GBP
View
A
Retailer 10
-
€1,253 EUR
View
B+
Retailer 11
-
€1,271 EUR
$1,426 USD
View
B+
Retailer 12
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€1,751 EUR
$1,964 USD
View
B+
Retailer 13
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€1,755 EUR
$1,968 USD
View
B+
Retailer 14
-
€2,210 EUR
$2,479 USD
View
B
Retailer 15
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€2,446 EUR
£2,160 GBP
View
B
Retailer 16
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€2,555 EUR
$2,866 USD
View
B
Retailer 17
-
€2,658 EUR
$2,981 USD
View
B
Retailer 18
-
€2,696 EUR
SGD 4,087 SGD
View
Retailer 19
-
€2,714 EUR
$3,043 USD
View
Price last confirmed 15 days ago
B
Retailer 20
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€2,946 EUR
£2,602 GBP
View
Retailer 21
-
€3,041 EUR
A$5,247 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Rare Carat
KI7164427KF665 · Nov 1
€3,214 EUR
$3,605 USD
View
21 more retailers have this diamond
Prices start from €678 EURSave up to €2,537 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
5.21ct Radiant
€678 EUR