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Radiant|Lab Grown|IGI

6.66ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG762546282

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

Certificate IGI LG762546282

Diamond specifications and retailer prices

From €24,946 EUR
$27,980 USD
As of November 1, 2026
Save €21,656 EUR (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €46,603 EUR at Brilliance · As of November 1, 2026
View at Brilliance

About this 6.66ct lab-grown radiant diamond

This 6.66ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762546282 or 762546282. Listed at 11 retailers as of November 1, 2026, with prices from €24,946 to €46,603, a €21,656 spread on the same certified stone. Brilliance lists it at €46,603. 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

6.66
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762546282
Dimensions13.34 × 9.47 × 6.19 mm
L/W Ratio1.41
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
13.34 mm9.47 mm6.66 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762546282
Side View
Table 63.0%Crown 41.6°Girdle: MED-STKPavilion 33°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
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: Nov 1
Current: €46,603 EUR|Low: €23,556 EUR|High: €104,507 EUR|Avg: €45,718 EUR|-8.5%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8€24,946 EUR
Retailer 3€25,909 EUR
Retailer 4€28,816 EUR
Retailer 10€30,209 EUR
Retailer 12€33,033 EUR
Retailer 13€33,846 EUR
Retailer 9€36,261 EUR
Retailer 7€40,076 EUR
Retailer 6€46,493 EUR
Brilliance€46,603 EUR
Retailer 2€63,546 EUR
Retailer 5€78,277 EUR
Retailer 11€104,507 EUR

27 data points across 13 retailers

11 retailers€24,946 EUR to €46,603 EUR

B+
Cheapest Retailer
-
€24,946 EUR
$27,980 USD
B+
Retailer 2
-
€30,209 EUR
$33,882 USD
View
B+
Retailer 3
-
€33,033 EUR
$37,050 USD
View
B+
Retailer 4
-
€33,846 EUR
$37,962 USD
View
B+
Retailer 5
-
€36,261 EUR
$40,670 USD
View
Retailer 6
-
€40,076 EUR
£35,394 GBP
View
Price last confirmed 10 days ago
B
Retailer 7
-
€46,493 EUR
£41,060 GBP
View
Most Expensive
B
Brilliance
D42106933 · Nov 1
€46,603 EUR
$52,270 USD
View
7 more retailers have this diamond
Prices start from €24,946 EURSave up to €21,656 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+
6.66ct Radiant
€24,946 EUR