Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6462603452

Certificate GIA 6462603452

Diamond specifications and retailer prices

From HK$91,838 HKD
£9,217 GBP
As of October 29, 2026
Save HK$159,463 HKD (63%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$332,065 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 6462603452. Listed at 20 retailers as of October 29, 2026, with a 174% 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

4.50
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 6462603452
Dimensions10.63 × 10.68 × 6.54 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
10.63 mm10.68 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6462603452
Side View
Table 55.0%Crown 35°GirdlePavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$118,062 HKD|Low: HK$69,733 HKD|High: HK$332,101 HKD|Avg: HK$155,725 HKD
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
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
October 31, 2026
Retailer 18HK$91,838 HKD
Retailer 4HK$100,339 HKD
Retailer 2HK$101,774 HKD
Retailer 11HK$104,073 HKD
Retailer 14HK$104,214 HKD
Retailer 12HK$110,648 HKD
Retailer 5HK$113,982 HKD
Retailer 20HK$114,453 HKD
Retailer 1HK$118,062 HKD
Retailer 3HK$119,788 HKD
Retailer 7HK$123,366 HKD
Retailer 10HK$123,876 HKD
Retailer 15HK$136,823 HKD
Retailer 13HK$158,025 HKD
Retailer 8HK$169,189 HKD
Retailer 17HK$173,723 HKD
Retailer 19HK$213,340 HKD
Retailer 16HK$251,301 HKD
Retailer 9HK$269,922 HKD
Retailer 6HK$304,994 HKD
Taylor and HartHK$332,065 HKD

25 data points across 21 retailers

20 retailersHK$91,838 HKD to HK$251,301 HKD

B+
Cheapest Retailer
-
HK$91,838 HKD
£9,217 GBP
B+
Retailer 2
-
HK$100,339 HKD
$12,789 USD
View
B+
Retailer 3
-
HK$101,774 HKD
$12,972 USD
View
B
Retailer 4
-
HK$104,214 HKD
$13,283 USD
View
B+
Retailer 5
-
HK$110,648 HKD
$14,103 USD
View
B+
Retailer 6
-
HK$113,982 HKD
$14,528 USD
View
Final sale: no returns
B
Retailer 7
-
HK$114,453 HKD
$14,588 USD
View
B+
Retailer 8
-
HK$118,062 HKD
$15,048 USD
View
B+
Retailer 9
-
HK$119,788 HKD
$15,268 USD
View
B+
Retailer 10
-
HK$123,366 HKD
$15,724 USD
View
Retailer 11
-
HK$123,876 HKD
$15,789 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
HK$136,823 HKD
£13,732 GBP
View
Retailer 13
-
HK$158,025 HKD
A$30,987 AUD
View
Price last confirmed 22 days ago
B
Retailer 14
-
HK$169,189 HKD
£16,980 GBP
View
B
Retailer 15
-
HK$173,723 HKD
£17,435 GBP
View
B
Retailer 16
-
HK$213,340 HKD
$27,192 USD
View
B
Retailer 17
-
HK$251,301 HKD
ZAR 517,454 ZAR
View
Retailer 18
-
HK$269,922 HKD
A$52,929 AUD
View
Price last confirmed 8 days ago
Retailer 19
-
HK$304,994 HKD
$38,874 USD
View
Price under review
Most Expensive
Taylor and Hart
TNKOKZ2 · Oct 30
HK$332,065 HKD
$42,325 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$91,838 HKDSave up to HK$159,463 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.

B+
4.50ct Round
HK$91,838 HKD