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Round|Lab Grown|GIA

4.20ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 2527827765

Certificate GIA 2527827765

Diamond specifications and retailer prices

From HK$41,037 HKD
$5,230 USD
As of October 29, 2026
Save HK$206,243 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$282,313 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 2527827765. Listed at 19 retailers as of October 29, 2026, with a 503% 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 2527827765
Dimensions10.34 × 10.36 × 6.39 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.34 mm10.36 mm4.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527827765
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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 29
Current: HK$282,313 HKD|Low: HK$43,265 HKD|High: HK$283,804 HKD|Avg: HK$129,950 HKD|-0.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13HK$43,265 HKD
Retailer 9HK$47,706 HKD
Retailer 5HK$48,743 HKD
Retailer 7HK$48,852 HKD
Retailer 12HK$68,797 HKD
Retailer 8HK$82,610 HKD
Retailer 2HK$107,492 HKD
Retailer 11HK$118,049 HKD
Retailer 6HK$139,959 HKD
Retailer 4HK$184,492 HKD
Retailer 10HK$185,018 HKD
Retailer 3HK$247,279 HKD
Do Amore DiamondsHK$282,313 HKD

25 data points across 13 retailers

19 retailersHK$41,037 HKD to HK$247,279 HKD

A
Cheapest Retailer
-
HK$41,037 HKD
$5,230 USD
A
Retailer 2
-
HK$43,006 HKD
$5,481 USD
View
A
Retailer 3
-
HK$43,265 HKD
$5,514 USD
View
Retailer 4
-
HK$47,604 HKD
$6,067 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$47,604 HKD
$6,067 USD
View
A
Retailer 6
-
HK$47,706 HKD
$6,080 USD
View
A
Retailer 7
-
HK$48,852 HKD
$6,226 USD
View
B+
Retailer 8
-
HK$62,379 HKD
$7,950 USD
View
Retailer 9
-
HK$63,046 HKD
$8,035 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
HK$68,797 HKD
$8,768 USD
View
B+
Retailer 11
-
HK$82,610 HKD
€10,027 EUR
View
B+
Retailer 12
-
HK$107,492 HKD
£10,787 GBP
View
B
Retailer 13
-
HK$118,049 HKD
$15,045 USD
View
B
Retailer 14
-
HK$131,105 HKD
$16,709 USD
View
B
Retailer 15
-
HK$139,959 HKD
$17,837 USD
View
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
Most Expensive
Do Amore Diamonds
27-406375325 · Oct 29
HK$282,313 HKD
$35,980 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$41,037 HKDSave up to HK$206,243 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$41,037 HKD