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Round|Lab Grown|IGI

4.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG821640744

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821640744

Diamond specifications and retailer prices

From HK$27,648 HKD
$3,524 USD
As of October 29, 2026
Save HK$84,310 HKD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$111,958 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.53ct lab-grown round diamond

This 4.53ct 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 LG821640744 or 821640744. Listed at 11 retailers as of October 29, 2026, with prices from HK$27,648 to HK$111,958, a HK$84,310 spread on the same certified stone. Brilliant Earth lists it at HK$111,958. 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

4.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640744
Dimensions10.58 × 10.64 × 6.50 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
10.58 mm10.64 mm4.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640744
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.3%

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$111,958 HKD|Low: HK$27,648 HKD|High: HK$217,875 HKD|Avg: HK$77,300 HKD|-48.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10HK$27,648 HKD
Retailer 7HK$34,615 HKD
Retailer 11HK$37,760 HKD
Retailer 2HK$40,107 HKD
Retailer 9HK$45,701 HKD
Retailer 6HK$48,654 HKD
Retailer 5HK$77,022 HKD
Retailer 12HK$79,754 HKD
Retailer 8HK$98,001 HKD
Retailer 4HK$105,948 HKD
Brilliant EarthHK$111,958 HKD
Retailer 3HK$115,426 HKD

39 data points across 12 retailers

11 retailersHK$27,648 HKD to HK$111,958 HKD

A
Cheapest Retailer
-
HK$27,648 HKD
$3,524 USD
A
Retailer 2
-
HK$34,615 HKD
$4,412 USD
View
A
Retailer 3
-
HK$37,760 HKD
View
A
Retailer 4
-
HK$40,107 HKD
£4,025 GBP
View
A
Retailer 5
-
HK$45,701 HKD
$5,825 USD
View
A
Retailer 6
-
HK$48,654 HKD
€5,906 EUR
View
B+
Retailer 7
-
HK$77,022 HKD
£7,730 GBP
View
B+
Retailer 8
-
HK$79,754 HKD
$10,165 USD
View
Retailer 9
-
HK$98,001 HKD
A$19,217 AUD
View
Price last confirmed 22 days ago
B
Retailer 10
-
HK$105,948 HKD
$13,504 USD
View
Most Expensive
B
Brilliant Earth
21475909Y · Oct 30
HK$111,958 HKD
$14,270 USD
View
10 more retailers have this diamond
Prices start from HK$27,648 HKDSave up to HK$84,310 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
4.53ct Round
HK$27,648 HKD