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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 $28,027 AUD
As of November 1, 2026
Save $49,126 AUD (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $77,153 AUD 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 $28,027 to $77,153, a $49,126 spread on the same certified stone. Taylor and Hart lists it at $77,153. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $34,678 AUD|Low: $28,027 AUD|High: $87,421 AUD|Avg: $51,424 AUD|-20.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
November 4, 2026
Retailer 6$28,027 AUD
Retailer 3$29,118 AUD
Retailer 1$34,678 AUD
Retailer 7$37,769 AUD
Retailer 2$49,844 AUD
Retailer 4$49,943 AUD
Retailer 5$53,994 AUD
Taylor and Hart$77,153 AUD

24 data points across 8 retailers

8 retailers$28,027 AUD to $77,153 AUD

A
Cheapest Retailer
-
$28,027 AUD
B+
Retailer 2
-
$29,118 AUD
View
B+
Retailer 3
-
$34,678 AUD
View
B+
Retailer 4
-
$37,769 AUD
View
B+
Retailer 5
-
$49,844 AUD
View
B+
Retailer 6
-
$49,943 AUD
View
B+
Retailer 7
-
$53,994 AUD
View
Most Expensive
B
Taylor and Hart
X8W8GRS · Oct 31
$77,153 AUD
$53,881 USD
View
7 more retailers have this diamond
Prices start from $28,027 AUDSave up to $49,126 AUD

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
$28,027 AUD