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Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 2516547474

Certificate GIA 2516547474

Diamond specifications and retailer prices

From HK$38,965 HKD
$4,966 USD
As of October 30, 2026
Save HK$208,314 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$306,951 HKD at Zales · As of October 28, 2026
View at Zales

About this 4.2ct lab-grown round diamond

This 4.2ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2516547474. Listed at 20 retailers as of October 29, 2026, with a 535% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 2516547474
Dimensions10.28 × 10.32 × 6.43 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.28 mm10.32 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516547474
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 30
Current: HK$107,492 HKD|Low: HK$38,965 HKD|High: HK$306,951 HKD|Avg: HK$132,476 HKD|+0.0%
Retailer 1
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
Zales
October 29, 2026
Retailer 3HK$38,965 HKD
Retailer 14HK$43,006 HKD
Retailer 12HK$47,706 HKD
Retailer 2HK$68,797 HKD
Retailer 10HK$77,052 HKD
Retailer 9HK$82,610 HKD
Retailer 1HK$107,492 HKD
Retailer 11HK$116,177 HKD
Retailer 7HK$139,959 HKD
Retailer 8HK$144,845 HKD
Retailer 6HK$184,492 HKD
Retailer 13HK$185,018 HKD
Retailer 5HK$247,279 HKD
Retailer 4HK$282,313 HKD
ZalesHK$306,951 HKD

25 data points across 15 retailers

20 retailersHK$38,965 HKD to HK$247,279 HKD

A
Cheapest Retailer
-
HK$38,965 HKD
$4,966 USD
A
Retailer 2
-
HK$41,037 HKD
$5,230 USD
View
A
Retailer 3
-
HK$43,006 HKD
$5,481 USD
View
A
Retailer 4
-
HK$47,604 HKD
$6,067 USD
View
Retailer 5
-
HK$47,604 HKD
$6,067 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$47,706 HKD
$6,080 USD
View
B+
Retailer 7
-
HK$62,379 HKD
$7,950 USD
View
B+
Retailer 8
-
HK$68,797 HKD
$8,768 USD
View
B+
Retailer 9
-
HK$77,052 HKD
$9,820 USD
View
B+
Retailer 10
-
HK$82,610 HKD
€10,027 EUR
View
B+
Retailer 11
-
HK$107,492 HKD
£10,787 GBP
View
Retailer 12
-
HK$116,177 HKD
A$22,779 AUD
View
Price last confirmed 7 days ago
B
Retailer 13
-
HK$131,105 HKD
$16,709 USD
View
B
Retailer 14
-
HK$139,959 HKD
$17,837 USD
View
Retailer 15
-
HK$144,845 HKD
$18,460 USD
View
Price under review
B
Retailer 16
-
HK$184,492 HKD
$23,513 USD
View
B
Retailer 17
-
HK$185,018 HKD
$23,580 USD
View
B
Retailer 18
-
HK$247,279 HKD
$31,515 USD
View
Retailer 19
-
HK$282,313 HKD
$35,980 USD
View
Price under review
Most Expensive
Zales
523340548 · Oct 28
HK$306,951 HKD
$39,120 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$38,965 HKDSave up to HK$208,314 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
4.20ct Round
HK$38,965 HKD