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Round|Lab Grown|IGI

4.50ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG833644315

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833644315

Diamond specifications and retailer prices

From HK$27,013 HKD
$3,443 USD
As of October 29, 2026
Save HK$114,524 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$141,536 HKD at Brilliant Earth · As of October 30, 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 IGI LG833644315 or 833644315. Listed at 18 retailers as of October 29, 2026, with prices from HK$27,013 to HK$141,536, a HK$114,524 spread on the same certified stone. Brilliant Earth lists it at HK$141,536. 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 angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833644315
Dimensions10.51 × 10.56 × 6.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
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
10.51 mm10.56 mm4.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833644315
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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 29
Current: HK$141,536 HKD|Low: HK$27,013 HKD|High: HK$141,536 HKD|Avg: HK$47,774 HKD
Brilliant Earth
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
October 31, 2026
Retailer 15HK$27,013 HKD
Retailer 7HK$29,390 HKD
Retailer 6HK$30,253 HKD
Retailer 4HK$31,336 HKD
Retailer 12HK$31,344 HKD
Retailer 13HK$36,555 HKD
Retailer 5HK$39,158 HKD
Retailer 9HK$41,674 HKD
Retailer 16HK$43,222 HKD
Retailer 14HK$45,050 HKD
Retailer 2HK$50,046 HKD
Retailer 10HK$66,686 HKD
Retailer 3HK$67,207 HKD
Retailer 8HK$68,056 HKD
Retailer 11HK$105,776 HKD
Brilliant EarthHK$141,536 HKD

22 data points across 16 retailers

18 retailersHK$27,013 HKD to HK$141,536 HKD

A
Cheapest Retailer
-
HK$27,013 HKD
$3,443 USD
A
Retailer 2
-
HK$29,390 HKD
$3,746 USD
View
A
Retailer 3
-
HK$30,253 HKD
$3,856 USD
View
Final sale: no returns
A
Retailer 4
-
HK$31,336 HKD
$3,994 USD
View
A
Retailer 5
-
HK$31,344 HKD
$3,995 USD
View
Retailer 6
-
HK$32,199 HKD
$4,104 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
HK$36,555 HKD
View
A
Retailer 8
-
HK$39,158 HKD
$4,991 USD
View
A
Retailer 9
-
HK$41,674 HKD
£4,182 GBP
View
A
Retailer 10
-
HK$43,222 HKD
$5,509 USD
View
A
Retailer 11
-
HK$45,050 HKD
$5,742 USD
View
A
Retailer 12
-
HK$50,046 HKD
€6,075 EUR
View
B+
Retailer 13
-
HK$66,686 HKD
ZAR 137,313 ZAR
View
B+
Retailer 14
-
HK$67,207 HKD
£6,745 GBP
View
Retailer 15
-
HK$68,056 HKD
A$13,345 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
HK$78,457 HKD
$10,000 USD
View
B+
Retailer 17
-
HK$105,776 HKD
SGD 18,219 SGD
View
Most Expensive
B
Brilliant Earth
21360248A · Oct 30
HK$141,536 HKD
$18,040 USD
View
17 more retailers have this diamond
Prices start from HK$27,013 HKDSave up to HK$114,524 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$27,013 HKD