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 HK$143,718 HKD
$18,318 USD
As of October 31, 2026
Save HK$187,293 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$331,010 HKD 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 HK$143,718 to HK$331,010, a HK$187,293 spread on the same certified stone. Kay Jewelers lists it at HK$331,010. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$331,010 HKD|Low: HK$143,718 HKD|High: HK$789,670 HKD|Avg: HK$315,590 HKD|+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 3HK$143,718 HKD
Retailer 6HK$167,647 HKD
Retailer 12HK$167,647 HKD
Retailer 11HK$168,989 HKD
Retailer 15HK$184,970 HKD
Retailer 7HK$187,763 HKD
Retailer 10HK$191,600 HKD
Retailer 13HK$194,471 HKD
Retailer 9HK$219,463 HKD
Retailer 8HK$323,582 HKD
Kay JewelersHK$331,010 HKD
Retailer 4HK$331,010 HKD
Retailer 14HK$487,807 HKD
Retailer 2HK$599,386 HKD
Retailer 5HK$751,069 HKD

29 data points across 15 retailers

15 retailersHK$143,718 HKD to HK$331,010 HKD

A
Cheapest Retailer
-
HK$143,718 HKD
$18,318 USD
B+
Retailer 2
-
HK$167,647 HKD
$21,368 USD
View
B+
Retailer 3
-
HK$167,647 HKD
$21,368 USD
View
B+
Retailer 4
-
HK$168,989 HKD
$21,539 USD
View
B+
Retailer 5
-
HK$187,763 HKD
$23,932 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$191,600 HKD
$24,421 USD
View
B+
Retailer 7
-
HK$194,471 HKD
$24,787 USD
View
Retailer 8
-
HK$194,471 HKD
$24,787 USD
View
Price last confirmed 15 days ago
Retailer 9
-
HK$219,463 HKD
£22,026 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$323,582 HKD
£32,475 GBP
View
B
Retailer 11
-
HK$331,010 HKD
$42,190 USD
View
Most Expensive
B
Kay Jewelers
258607348 · Oct 30
HK$331,010 HKD
$42,190 USD
View
11 more retailers have this diamond
Prices start from HK$143,718 HKDSave up to HK$187,293 HKD

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
HK$143,718 HKD