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Oval|Lab Grown|IGI

6.44ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG836639168

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836639168

Diamond specifications and retailer prices

From HK$153,570 HKD
As of November 1, 2026
Save HK$269,183 HKD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$422,753 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.44ct lab-grown oval diamond

This 6.44ct 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 LG836639168 or 836639168. Listed at 8 retailers as of October 31, 2026, with prices from HK$153,570 to HK$422,753, a HK$269,183 spread on the same certified stone. Taylor and Hart lists it at HK$422,753. 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

6.44
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836639168
Dimensions14.55 × 10.40 × 6.68 mm
L/W Ratio1.40
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
14.55 mm10.40 mm6.44 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836639168
Side View
Table 61.0%Crown 40.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.2%

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$190,014 HKD|Low: HK$153,570 HKD|High: HK$479,018 HKD|Avg: HK$281,772 HKD|-20.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
November 4, 2026
Retailer 6HK$153,570 HKD
Retailer 3HK$159,548 HKD
Retailer 1HK$190,014 HKD
Retailer 7HK$206,954 HKD
Retailer 2HK$273,119 HKD
Retailer 4HK$273,661 HKD
Retailer 5HK$295,857 HKD
Taylor and HartHK$422,753 HKD

24 data points across 8 retailers

8 retailersHK$153,570 HKD to HK$422,753 HKD

A
Cheapest Retailer
-
HK$153,570 HKD
B+
Retailer 2
-
HK$159,548 HKD
View
B+
Retailer 3
-
HK$190,014 HKD
View
B+
Retailer 4
-
HK$206,954 HKD
View
B+
Retailer 5
-
HK$273,119 HKD
View
B+
Retailer 6
-
HK$273,661 HKD
View
B+
Retailer 7
-
HK$295,857 HKD
View
Most Expensive
B
Taylor and Hart
X8W8GRS · Oct 31
HK$422,753 HKD
$53,881 USD
View
7 more retailers have this diamond
Prices start from HK$153,570 HKDSave up to HK$269,183 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
6.44ct Oval
HK$153,570 HKD