CaratHunter
Plans
Oval|Lab Grown|IGI

5.09ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507809

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507809

Diamond specifications and retailer prices

From HK$53,251 HKD
As of November 2, 2026
Save HK$190,487 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$243,738 HKD at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 5.09ct lab-grown oval diamond

This 5.09ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507809 or 754507809. Listed at 14 retailers as of November 2, 2026, with prices from HK$53,251 to HK$243,738, a HK$190,487 spread on the same certified stone. Michael Trio lists it at HK$243,738. 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

5.09
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507809
Dimensions14.39 × 9.72 × 5.94 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
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
14.39 mm9.72 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507809
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.1%

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: Nov 2
Current: HK$243,738 HKD|Low: HK$53,251 HKD|High: HK$301,412 HKD|Avg: HK$142,343 HKD|-14.7%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 11HK$53,251 HKD
Retailer 5HK$56,256 HKD
Retailer 13HK$58,892 HKD
Retailer 8HK$68,417 HKD
Retailer 3HK$71,603 HKD
Retailer 6HK$79,778 HKD
Retailer 10HK$109,224 HKD
Retailer 12HK$111,413 HKD
Retailer 7HK$128,549 HKD
Retailer 2HK$179,579 HKD
Retailer 9HK$221,477 HKD
Retailer 4HK$221,548 HKD
Michael TrioHK$243,738 HKD

40 data points across 13 retailers

14 retailersHK$53,251 HKD to HK$243,738 HKD

A
Cheapest Retailer
-
HK$53,251 HKD
A
Retailer 2
-
HK$56,256 HKD
View
A
Retailer 3
-
HK$58,892 HKD
View
A
Retailer 4
-
HK$68,417 HKD
View
A
Retailer 5
-
HK$71,603 HKD
View
A
Retailer 6
-
HK$79,778 HKD
View
Retailer 7
-
HK$94,176 HKD
View
Price last confirmed 20 days ago
A
Retailer 8
-
HK$109,224 HKD
View
A
Retailer 9
-
HK$111,413 HKD
View
B+
Retailer 10
-
HK$128,549 HKD
View
B+
Retailer 11
-
HK$179,579 HKD
View
B
Retailer 12
-
HK$221,477 HKD
View
B
Retailer 13
-
HK$221,548 HKD
View
Most Expensive
B
Michael Trio
2522812780 · Nov 2
HK$243,738 HKD
SGD 41,980 SGD
View
13 more retailers have this diamond
Prices start from HK$53,251 HKDSave up to HK$190,487 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
5.09ct Oval
HK$53,251 HKD