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Round|Lab Grown|GIA

4.50ct D IF Round Lab Grown Diamond

EX • D/IF • GIA 6531746996

Certificate GIA 6531746996

Diamond specifications and retailer prices

From HK$67,974 HKD
£6,822 GBP
As of October 30, 2026
Save HK$141,977 HKD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$209,951 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 6531746996. Listed at 8 retailers as of October 29, 2026, with prices from HK$67,974 to HK$209,951, a HK$141,977 spread on the same certified stone. Brilliant Earth lists it at HK$209,951. 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 angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6531746996
Dimensions10.61 × 10.54 × 6.56 mm
L/W Ratio1.01
Top View
10.61 mm10.54 mm4.50 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531746996
Side View
Table 56.0%Crown 34.5°GirdlePavilion 40.8°Culet: NoneDepth 62.0%

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 30
Current: HK$209,951 HKD|Low: HK$61,738 HKD|High: HK$435,986 HKD|Avg: HK$137,100 HKD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9HK$65,149 HKD
Retailer 2HK$67,974 HKD
Retailer 4HK$68,438 HKD
Retailer 7HK$71,168 HKD
Retailer 8HK$78,261 HKD
Retailer 6HK$98,542 HKD
Retailer 10HK$117,396 HKD
Retailer 3HK$141,519 HKD
Brilliant EarthHK$209,951 HKD
Retailer 5HK$427,041 HKD

22 data points across 10 retailers

8 retailersHK$67,974 HKD to HK$209,951 HKD

B+
Cheapest Retailer
-
HK$67,974 HKD
£6,822 GBP
B+
Retailer 2
-
HK$68,438 HKD
$8,723 USD
View
B+
Retailer 3
-
HK$71,168 HKD
$9,071 USD
View
B+
Retailer 4
-
HK$78,261 HKD
$9,975 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$98,542 HKD
$12,560 USD
View
B+
Retailer 6
-
HK$141,519 HKD
£14,203 GBP
View
Most Expensive
B
Brilliant Earth
16217029Y · Oct 29
HK$209,951 HKD
$26,760 USD
View
6 more retailers have this diamond
Prices start from HK$67,974 HKDSave up to HK$141,977 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$67,974 HKD