Radiant|Lab Grown|GIA

6.50ct D FL Radiant Lab Grown Diamond

ID • D/FL • GIA 2517152368

Certificate GIA 2517152368

Diamond specifications and retailer prices

From $46,080 USD
As of October 31, 2026
12 retailers carry this diamond
Most expensive: $55,213 USD at Aurelinne · As of October 3, 2026
View at Aurelinne

About this 6.5ct lab-grown radiant diamond

This 6.5ct 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 stated by the retailer rather than the lab and certified by GIA 2517152368. Listed at 12 retailers as of October 31, 2026. 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

6.50
Carat
D
Color
FL
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2517152368
Dimensions13.13 × 9.50 × 6.22 mm
L/W Ratio1.38
Top View
13.13 mm9.50 mm6.50 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517152368
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $66,300 USD|Low: $44,647 USD|High: $223,900 USD|Avg: $97,368 USD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$44,647 USD
Retailer 3$46,080 USD
Retailer 1$66,300 USD
Retailer 2$69,995 USD
Retailer 6$87,295 USD
Retailer 4$140,804 USD
Retailer 5$213,240 USD

21 data points across 7 retailers

12 retailers

B+
Cheapest Retailer
-
$46,080 USD
Retailer 2
-
$47,597 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$47,597 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$49,977 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$49,977 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$54,451 USD
View
Price last confirmed 32 days ago
Most Expensive
Aurelinne
6117e4e5-3247-4bfe-a25c-9c583c7de81c · Oct 3
$55,213 USD
View
Price last confirmed 29 days ago
6 more retailers have this diamond
Prices start from $46,080 USD

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+
6.50ct Radiant
$46,080 USD