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Radiant|Lab Grown|GCAL

4.17ct D FL Radiant Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From $19,170 USD
Save $9,129 USD (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $28,299 USD at GemsNY
View at GemsNY

About this 4.17ct lab-grown radiant diamond

This 4.17ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL. Listed at 6 retailers, with prices from $19,170 to $28,299 at GemsNY, a $9,129 spread on the same certified stone. 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

4.17
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions11.39 × 7.87 × 5.37 mm
L/W Ratio1.45
Top View
11.39 mm7.87 mm4.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $28,299 USD|Low: $19,170 USD|High: $75,187 USD|Avg: $40,881 USD
GemsNY
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 1, 2026
Retailer 5$19,170 USD
Retailer 3$23,091 USD
Retailer 4$23,091 USD
GemsNY$28,299 USD
Retailer 2$59,485 USD
Retailer 6$75,187 USD

4 data points across 6 retailers

6 retailers$19,170 USD to $28,299 USD

B
Cheapest Retailer
-
$19,170 USD
B
Retailer 2
-
$23,091 USD
View
B
Retailer 3
-
$23,091 USD
View
Most Expensive
B
GemsNY
L818496 · Oct 1
$28,299 USD
View
3 more retailers have this diamond
Prices start from $19,170 USDSave up to $9,129 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.

B
4.17ct Radiant
$19,170 USD