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Radiant|Lab Grown|IGI

5.10ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828616343

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

Certificate IGI LG828616343

Diamond specifications and retailer prices

From €9,715 EUR
$10,854 USD
As of October 31, 2026
Save €20,027 EUR (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €29,743 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.1ct lab-grown radiant diamond

This 5.1ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828616343 or 828616343. Listed at 14 retailers as of October 31, 2026, with prices from €9,715 to €29,743, a €20,027 spread on the same certified stone. Taylor and Hart lists it at €29,743. 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

5.10
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828616343
Dimensions12.16 × 8.68 × 5.63 mm
L/W Ratio1.40
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
12.16 mm8.68 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828616343
Side View
Table 63.0%Crown 40.9°Girdle: MediumPavilion 33.4°Culet: NoneDepth 64.9%

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 31
Current: €15,881 EUR|Low: €9,715 EUR|High: €55,371 EUR|Avg: €20,421 EUR|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 6€9,715 EUR
Retailer 2€9,824 EUR
Retailer 9€10,323 EUR
Retailer 3€10,696 EUR
Retailer 5€11,425 EUR
Retailer 8€14,205 EUR
Retailer 1€15,881 EUR
Retailer 12€16,451 EUR
Retailer 7€17,292 EUR
Retailer 11€19,209 EUR
Retailer 4€28,120 EUR
Taylor and Hart€29,743 EUR
Retailer 10€51,416 EUR

19 data points across 13 retailers

14 retailers€9,715 EUR to €29,743 EUR

A
Cheapest Retailer
-
€9,715 EUR
$10,854 USD
A
Retailer 2
-
€9,824 EUR
$10,975 USD
View
A
Retailer 3
-
€10,323 EUR
HK$90,100 HKD
View
A
Retailer 4
-
€10,696 EUR
$11,950 USD
View
A
Retailer 5
-
€11,425 EUR
£10,051 GBP
View
A
Retailer 6
-
€14,205 EUR
$15,870 USD
View
A
Retailer 7
-
€15,881 EUR
View
A
Retailer 8
-
€16,451 EUR
£14,472 GBP
View
B+
Retailer 9
-
€17,292 EUR
$19,319 USD
View
B+
Retailer 10
-
€19,209 EUR
ZAR 346,688 ZAR
View
B+
Retailer 11
-
€20,542 EUR
$22,950 USD
View
B
Retailer 12
-
€28,120 EUR
$31,416 USD
View
Most Expensive
B
Taylor and Hart
8M0LO44 · Oct 31
€29,743 EUR
$33,229 USD
View
12 more retailers have this diamond
Prices start from €9,715 EURSave up to €20,027 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
5.10ct Radiant
€9,715 EUR