Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG762545868

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

Certificate IGI LG762545868

Diamond specifications and retailer prices

From €7,045 EUR
$7,871 USD
As of October 31, 2026
Save €22,649 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €29,694 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.09ct lab-grown radiant diamond

This 5.09ct 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 LG762545868 or 762545868. Listed at 12 retailers as of October 31, 2026, with prices from €7,045 to €29,694, a €22,649 spread on the same certified stone. Taylor and Hart lists it at €29,694. 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

5.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545868
Dimensions12.16 × 8.71 × 5.61 mm
L/W Ratio1.40
Culet sizePointed
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 mm8.71 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545868
Side View
Table 64.0%Crown 41.1°Girdle: MediumPavilion 34.3°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €21,612 EUR|Low: €7,045 EUR|High: €31,640 EUR|Avg: €16,285 EUR|-11.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 1, 2026
Retailer 6€7,045 EUR
Retailer 7€7,573 EUR
Retailer 11€8,745 EUR
Retailer 9€10,357 EUR
Retailer 2€10,654 EUR
Retailer 5€11,403 EUR
Retailer 8€15,127 EUR
Retailer 4€15,850 EUR
Retailer 10€16,419 EUR
Retailer 1€21,612 EUR
Retailer 3€28,065 EUR
Taylor and Hart€29,694 EUR

36 data points across 12 retailers

12 retailers€7,045 EUR to €29,694 EUR

A
Cheapest Retailer
-
€7,045 EUR
$7,871 USD
A
Retailer 2
-
€7,573 EUR
$8,461 USD
View
A
Retailer 3
-
€8,745 EUR
$9,770 USD
View
A
Retailer 4
-
€10,357 EUR
HK$90,400 HKD
View
A
Retailer 5
-
€10,654 EUR
$11,903 USD
View
A
Retailer 6
-
€11,403 EUR
£10,031 GBP
View
A
Retailer 7
-
€15,127 EUR
$16,900 USD
View
A
Retailer 8
-
€15,850 EUR
View
A
Retailer 9
-
€16,419 EUR
£14,444 GBP
View
B+
Retailer 10
-
€21,612 EUR
A$37,147 AUD
View
B
Retailer 11
-
€28,065 EUR
$31,354 USD
View
Most Expensive
B
Taylor and Hart
0CYXZR4 · Oct 31
€29,694 EUR
$33,175 USD
View
11 more retailers have this diamond
Prices start from €7,045 EURSave up to €22,649 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
5.09ct Radiant
€7,045 EUR