Radiant|Lab Grown|GCAL

5.10ct D IF Radiant Lab Grown Diamond

EX • D/IF • GCAL 360846227

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 360846227

Diamond specifications and retailer prices

From $18,318 USD
As of October 31, 2026
Save $23,872 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $42,190 USD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

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 GCAL 360846227. Listed at 15 retailers as of October 30, 2026, with prices from $18,318 to $42,190, a $23,872 spread on the same certified stone. Kay Jewelers lists it at $42,190. 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 angle41.6°
Pavilion angle36°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360846227
Dimensions12.08 × 8.58 × 5.80 mm
L/W Ratio1.41
Culet sizeNone
Top View
12.08 mm8.58 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360846227
Side View
Table 62.0%Crown 41.6°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 67.6%

Caratlytics Score

How it works →
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: $42,190 USD|Low: $18,318 USD|High: $100,650 USD|Avg: $40,225 USD|+4.5%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 3$18,318 USD
Retailer 6$21,368 USD
Retailer 12$21,368 USD
Retailer 11$21,539 USD
Retailer 15$23,576 USD
Retailer 7$23,932 USD
Retailer 10$24,421 USD
Retailer 13$24,787 USD
Retailer 9$27,972 USD
Retailer 8$41,243 USD
Kay Jewelers$42,190 USD
Retailer 4$42,190 USD
Retailer 14$62,175 USD
Retailer 2$76,397 USD
Retailer 5$95,730 USD

29 data points across 15 retailers

15 retailers$18,318 USD to $42,190 USD

A
Cheapest Retailer
-
$18,318 USD
B+
Retailer 2
-
$21,368 USD
View
B+
Retailer 3
-
$21,368 USD
View
B+
Retailer 4
-
$21,539 USD
View
B+
Retailer 5
-
$23,932 USD
View
Final sale: no returns
B+
Retailer 6
-
$24,421 USD
View
B+
Retailer 7
-
$24,787 USD
View
Retailer 8
-
$24,787 USD
View
Price last confirmed 14 days ago
Retailer 9
-
$27,972 USD
£22,026 GBP
View
Price last confirmed 7 days ago
B
Retailer 10
-
$41,243 USD
£32,475 GBP
View
B
Retailer 11
-
$42,190 USD
View
Most Expensive
B
Kay Jewelers
258607348 · Oct 30
$42,190 USD
View
11 more retailers have this diamond
Prices start from $18,318 USDSave up to $23,872 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.

A
5.10ct Radiant
$18,318 USD