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Round|Lab Grown|IGI

4.53ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG687528720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687528720

Diamond specifications and retailer prices

From HK$36,883 HKD
$4,701 USD
As of October 29, 2026
Save HK$216,847 HKD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$299,157 HKD at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

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 LG687528720 or 687528720. Listed at 24 retailers as of October 29, 2026, with a 588% 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

4.53
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687528720
Dimensions10.57 × 10.63 × 6.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
10.57 mm10.63 mm4.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687528720
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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$299,157 HKD|Low: HK$37,448 HKD|High: HK$299,157 HKD|Avg: HK$98,675 HKD
Mervis Diamond Importers
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 30, 2026
Retailer 8HK$37,448 HKD
Retailer 5HK$38,648 HKD
Retailer 4HK$40,837 HKD
Retailer 6HK$41,300 HKD
Retailer 13HK$43,034 HKD
Retailer 12HK$54,637 HKD
Retailer 2HK$60,209 HKD
Retailer 15HK$66,163 HKD
Retailer 10HK$96,601 HKD
Retailer 9HK$100,504 HKD
Retailer 11HK$104,024 HKD
Retailer 16HK$108,310 HKD
Retailer 3HK$135,510 HKD
Retailer 7HK$139,804 HKD
Retailer 14HK$211,285 HKD
Mervis Diamond ImportersHK$299,157 HKD

41 data points across 16 retailers

24 retailersHK$36,883 HKD to HK$253,730 HKD

A
Cheapest Retailer
-
HK$36,883 HKD
$4,701 USD
A
Retailer 2
-
HK$37,448 HKD
$4,773 USD
View
A
Retailer 3
-
HK$38,648 HKD
$4,926 USD
View
A
Retailer 4
-
HK$40,837 HKD
$5,205 USD
View
A
Retailer 5
-
HK$41,300 HKD
$5,264 USD
View
Final sale: no returns
A
Retailer 6
-
HK$42,783 HKD
$5,453 USD
View
Retailer 7
-
HK$42,783 HKD
$5,453 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
HK$43,034 HKD
$5,485 USD
View
B+
Retailer 9
-
HK$54,637 HKD
$6,964 USD
View
Retailer 10
-
HK$55,208 HKD
$7,037 USD
View
Price last confirmed 82 days ago
B+
Retailer 11
-
HK$56,058 HKD
$7,145 USD
View
B+
Retailer 12
-
HK$60,209 HKD
£6,043 GBP
View
B+
Retailer 13
-
HK$66,163 HKD
$8,433 USD
View
B+
Retailer 14
-
HK$96,601 HKD
£9,695 GBP
View
B+
Retailer 15
-
HK$100,504 HKD
ZAR 206,948 ZAR
View
Retailer 16
-
HK$104,024 HKD
A$20,398 AUD
View
Price last confirmed 8 days ago
B
Retailer 17
-
HK$108,310 HKD
$13,805 USD
View
B
Retailer 18
-
HK$117,757 HKD
$15,009 USD
View
B
Retailer 19
-
HK$135,510 HKD
$17,272 USD
View
B
Retailer 20
-
HK$139,804 HKD
$17,819 USD
View
B
Retailer 21
-
HK$168,835 HKD
$21,519 USD
View
B
Retailer 22
-
HK$211,285 HKD
$26,930 USD
View
B
Retailer 23
-
HK$253,730 HKD
$32,340 USD
View
Most Expensive
Mervis Diamond Importers
1985409141 · Oct 29
HK$299,157 HKD
$38,130 USD
View
Price under review
23 more retailers have this diamond
Prices start from HK$36,883 HKDSave up to HK$216,847 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$36,883 HKD