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4.50ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG830618102

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830618102

Diamond specifications and retailer prices

From HK$36,956 HKD
As of October 31, 2026
Save HK$119,048 HKD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$156,004 HKD at With Clarity · As of October 31, 2026
View at With Clarity

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 IGI LG830618102 or 830618102. Listed at 10 retailers as of October 31, 2026, with prices from HK$36,956 to HK$156,004, a HK$119,048 spread on the same certified stone. With Clarity lists it at HK$156,004. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830618102
Dimensions10.70 × 10.63 × 6.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.70 mm10.63 mm4.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830618102
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

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 31
Current: HK$48,184 HKD|Low: HK$36,404 HKD|High: HK$156,004 HKD|Avg: HK$72,209 HKD|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 31, 2026
Retailer 7HK$36,956 HKD
Retailer 2HK$39,842 HKD
Retailer 5HK$45,411 HKD
Retailer 6HK$45,458 HKD
Retailer 1HK$48,184 HKD
Retailer 3HK$76,544 HKD
Retailer 4HK$97,328 HKD
Retailer 8HK$105,244 HKD
With ClarityHK$156,004 HKD

33 data points across 9 retailers

10 retailersHK$36,956 HKD to HK$156,004 HKD

A
Cheapest Retailer
-
HK$36,956 HKD
A
Retailer 2
-
HK$39,842 HKD
£3,999 GBP
View
A
Retailer 3
-
HK$45,411 HKD
$5,788 USD
View
A
Retailer 4
-
HK$45,458 HKD
$5,794 USD
View
A
Retailer 5
-
HK$48,184 HKD
€5,849 EUR
View
B+
Retailer 6
-
HK$70,611 HKD
$9,000 USD
View
B+
Retailer 7
-
HK$76,544 HKD
£7,682 GBP
View
Retailer 8
-
HK$97,328 HKD
A$19,085 AUD
View
Price last confirmed 22 days ago
B
Retailer 9
-
HK$105,244 HKD
$13,414 USD
View
Most Expensive
B
With Clarity
830618102 · Oct 31
HK$156,004 HKD
$19,884 USD
View
9 more retailers have this diamond
Prices start from HK$36,956 HKDSave up to HK$119,048 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$36,956 HKD