Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 5473905191

Certificate GIA 5473905191

Diamond specifications and retailer prices

From HK$57,689 HKD
$7,353 USD
As of October 29, 2026
Save HK$181,194 HKD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$238,883 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.5ct lab-grown round diamond

This 4.5ct 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 5473905191. Listed at 18 retailers as of October 29, 2026, with prices from HK$57,689 to HK$238,883, a HK$181,194 spread on the same certified stone. Taylor and Hart lists it at HK$238,883. 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

4.50
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 5473905191
Dimensions10.67 × 10.62 × 6.49 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
10.67 mm10.62 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5473905191
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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$117,062 HKD|Low: HK$55,383 HKD|High: HK$377,143 HKD|Avg: HK$136,775 HKD|-38.4%
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
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 31, 2026
Retailer 15HK$57,689 HKD
Retailer 6HK$59,949 HKD
Retailer 4HK$59,996 HKD
Retailer 14HK$66,532 HKD
Retailer 2HK$66,924 HKD
Retailer 17HK$66,924 HKD
Retailer 13HK$71,945 HKD
Retailer 5HK$73,302 HKD
Retailer 3HK$83,070 HKD
Retailer 9HK$84,355 HKD
Retailer 1HK$117,062 HKD
Retailer 11HK$137,862 HKD
Retailer 12HK$162,614 HKD
Retailer 16HK$167,553 HKD
Retailer 10HK$170,885 HKD
Taylor and HartHK$238,883 HKD
Retailer 7HK$359,961 HKD
Retailer 8HK$375,636 HKD

33 data points across 18 retailers

18 retailersHK$57,689 HKD to HK$238,883 HKD

A
Cheapest Retailer
-
HK$57,689 HKD
$7,353 USD
A
Retailer 2
-
HK$59,949 HKD
$7,641 USD
View
A
Retailer 3
-
HK$59,996 HKD
$7,647 USD
View
B+
Retailer 4
-
HK$66,532 HKD
$8,480 USD
View
B+
Retailer 5
-
HK$66,924 HKD
$8,530 USD
View
Retailer 6
-
HK$66,924 HKD
$8,530 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$71,945 HKD
$9,170 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
HK$73,302 HKD
$9,343 USD
View
B+
Retailer 9
-
HK$83,070 HKD
$10,588 USD
View
B+
Retailer 10
-
HK$117,062 HKD
€14,210 EUR
View
B+
Retailer 11
-
HK$137,862 HKD
£13,836 GBP
View
B
Retailer 12
-
HK$144,957 HKD
$18,476 USD
View
Retailer 13
-
HK$162,614 HKD
A$31,887 AUD
View
Price last confirmed 8 days ago
B
Retailer 14
-
HK$167,553 HKD
$21,356 USD
View
B
Retailer 15
-
HK$170,885 HKD
$21,781 USD
View
Most Expensive
B
Taylor and Hart
EB407M2 · Oct 30
HK$238,883 HKD
$30,448 USD
View
15 more retailers have this diamond
Prices start from HK$57,689 HKDSave up to HK$181,194 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
4.50ct Round
HK$57,689 HKD