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 $19,573 USD
As of November 1, 2026
Save $34,308 USD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $53,881 USD 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 7 retailers as of October 31, 2026, with prices from $19,573 to $53,881, a $34,308 spread on the same certified stone. Taylor and Hart lists it at $53,881. 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
Color
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: $34,879 USD|Low: $19,573 USD|High: $61,053 USD|Avg: $36,283 USD|-17.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 1, 2026
Retailer 4$19,573 USD
Retailer 2$24,458 USD
Retailer 5$26,377 USD
Retailer 1$34,879 USD
Retailer 6$36,930 USD
Retailer 3$37,709 USD
Taylor and Hart$53,881 USD

23 data points across 7 retailers

7 retailers$19,573 USD to $53,881 USD

A
Cheapest Retailer
-
$19,573 USD
B+
Retailer 2
-
$24,458 USD
£19,259 GBP
View
B+
Retailer 3
-
$26,377 USD
View
B+
Retailer 4
-
$34,879 USD
£27,464 GBP
View
B+
Retailer 5
-
$36,930 USD
View
B+
Retailer 6
-
$37,709 USD
€35,913 EUR
View
Most Expensive
B
Taylor and Hart
X8W8GRS · Oct 31
$53,881 USD
View
6 more retailers have this diamond
Prices start from $19,573 USDSave up to $34,308 USD

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
$19,573 USD