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Oval|Lab Grown|IGI

6.50ct D FL Oval Lab Grown Diamond

VG • D/FL • IGI LG818640334

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818640334

Diamond specifications and retailer prices

From $21,065 USD
As of October 28, 2026
Save $40,424 USD (66%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $61,489 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 6.5ct lab-grown oval diamond

This 6.5ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818640334 or 818640334. Listed at 19 retailers as of October 28, 2026, with prices from $21,065 to $61,489, a $40,424 spread on the same certified stone. Taylor and Hart lists it at $61,489. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.50
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640334
Dimensions14.76 × 10.49 × 6.64 mm
L/W Ratio1.41
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
14.76 mm10.49 mm6.50 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640334
Side View
Table 58.0%Crown 36.3°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $45,606 USD|Low: $21,065 USD|High: $75,235 USD|Avg: $35,276 USD
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Taylor and Hart
October 31, 2026
Retailer 18$21,065 USD
Retailer 14$22,185 USD
Retailer 2$22,369 USD
Retailer 5$23,252 USD
Retailer 7$23,438 USD
Retailer 16$26,574 USD
Retailer 4$26,649 USD
Retailer 3$26,973 USD
Retailer 13$27,115 USD
Retailer 15$27,485 USD
Retailer 10$27,625 USD
Retailer 17$28,020 USD
Retailer 9$38,633 USD
Retailer 12$40,659 USD
Retailer 1$45,606 USD
Retailer 8$48,514 USD
Retailer 11$52,196 USD
Taylor and Hart$61,489 USD
Retailer 6$75,235 USD

12 data points across 19 retailers

19 retailers$21,065 USD to $61,489 USD

B+
Cheapest Retailer
-
$21,065 USD
B+
Retailer 2
-
$22,185 USD
View
B+
Retailer 3
-
$22,369 USD
View
B+
Retailer 4
-
$23,252 USD
View
B+
Retailer 5
-
$23,438 USD
View
B+
Retailer 6
-
$26,574 USD
View
B+
Retailer 7
-
$26,649 USD
View
B+
Retailer 8
-
$26,973 USD
View
B+
Retailer 9
-
$27,115 USD
£21,350 GBP
View
B+
Retailer 10
-
$27,485 USD
£21,642 GBP
View
B+
Retailer 11
-
$27,625 USD
View
Final sale: no returns
B+
Retailer 12
-
$28,020 USD
View
B
Retailer 13
-
$38,633 USD
£30,420 GBP
View
B
Retailer 14
-
$40,659 USD
£32,015 GBP
View
B
Retailer 15
-
$45,606 USD
€43,434 EUR
View
B
Retailer 16
-
$48,514 USD
View
B
Retailer 17
-
$52,196 USD
ZAR 843,234 ZAR
View
Most Expensive
B
Taylor and Hart
YG6L43B · Oct 28
$61,489 USD
View
17 more retailers have this diamond
Prices start from $21,065 USDSave up to $40,424 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.

B+
6.50ct Oval
$21,065 USD