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Oval|Lab Grown|IGI

5.51ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG762545888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG762545888

Diamond specifications and retailer prices

From HK$69,560 HKD
$8,866 USD
As of November 1, 2026
Save HK$201,372 HKD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$270,932 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.51ct lab-grown oval diamond

This 5.51ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG762545888 or 762545888. Listed at 14 retailers as of October 31, 2026, with prices from HK$69,560 to HK$270,932, a HK$201,372 spread on the same certified stone. Taylor and Hart lists it at HK$270,932. 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

5.51
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545888
Dimensions14.34 × 10.09 × 6.07 mm
L/W Ratio1.42
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
14.34 mm10.09 mm5.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545888
Side View
Table 63.0%Crown 32.7°Girdle: MED-STKPavilion 40.2°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: Nov 1
Current: HK$102,879 HKD|Low: HK$69,560 HKD|High: HK$355,314 HKD|Avg: HK$168,628 HKD|-32.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 1, 2026
Retailer 2HK$69,560 HKD
Retailer 10HK$90,579 HKD
Retailer 13HK$90,877 HKD
Retailer 4HK$95,002 HKD
Retailer 1HK$102,879 HKD
Retailer 3HK$123,021 HKD
Retailer 5HK$143,686 HKD
Retailer 7HK$143,812 HKD
Retailer 6HK$145,540 HKD
Retailer 9HK$155,598 HKD
Retailer 8HK$176,175 HKD
Retailer 12HK$239,286 HKD
Retailer 11HK$242,644 HKD
Taylor and HartHK$270,932 HKD

37 data points across 14 retailers

14 retailersHK$69,560 HKD to HK$270,932 HKD

A
Cheapest Retailer
-
HK$69,560 HKD
$8,866 USD
A
Retailer 2
-
HK$90,579 HKD
$11,545 USD
View
A
Retailer 3
-
HK$90,877 HKD
$11,583 USD
View
A
Retailer 4
-
HK$95,002 HKD
View
A
Retailer 5
-
HK$102,879 HKD
£10,325 GBP
View
A
Retailer 6
-
HK$123,021 HKD
$15,680 USD
View
B+
Retailer 7
-
HK$143,686 HKD
$18,314 USD
View
B+
Retailer 8
-
HK$143,812 HKD
$18,330 USD
View
B+
Retailer 9
-
HK$145,540 HKD
€17,667 EUR
View
B+
Retailer 10
-
HK$155,598 HKD
£15,616 GBP
View
B+
Retailer 11
-
HK$176,175 HKD
ZAR 362,762 ZAR
View
B+
Retailer 12
-
HK$239,286 HKD
$30,499 USD
View
B
Retailer 13
-
HK$242,644 HKD
$30,927 USD
View
Most Expensive
B
Taylor and Hart
8KPLXXC · Oct 31
HK$270,932 HKD
$34,533 USD
View
13 more retailers have this diamond
Prices start from HK$69,560 HKDSave up to HK$201,372 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
5.51ct Oval
HK$69,560 HKD