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Oval|Lab Grown|IGI

6.51ct D IF Oval Lab Grown Diamond

VG • D/IF • IGI LG762544975

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG762544975

Diamond specifications and retailer prices

From $29,039 AUD
As of November 1, 2026
Save $55,825 AUD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $84,864 AUD at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG762544975 or 762544975. Listed at 13 retailers as of November 1, 2026, with prices from $29,039 to $84,864, a $55,825 spread on the same certified stone. Cape Diamonds lists it at $84,864. 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

6.51
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544975
Dimensions14.66 × 10.47 × 6.65 mm
L/W Ratio1.40
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
14.66 mm10.47 mm6.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544975
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 63.5%

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: Nov 1
Current: $84,864 AUD|Low: $27,418 AUD|High: $122,635 AUD|Avg: $58,769 AUD|+2.2%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 11$29,039 AUD
Retailer 5$30,099 AUD
Retailer 7$30,373 AUD
Retailer 3$32,831 AUD
Retailer 13$39,128 AUD
Retailer 10$47,516 AUD
Retailer 12$49,286 AUD
Retailer 15$49,446 AUD
Retailer 8$60,260 AUD
Retailer 2$62,427 AUD
Retailer 14$71,238 AUD
Retailer 9$74,588 AUD
Cape Diamonds$84,864 AUD
Retailer 6$97,061 AUD
Retailer 4$122,635 AUD

31 data points across 15 retailers

13 retailers$29,039 AUD to $84,864 AUD

B+
Cheapest Retailer
-
$29,039 AUD
B+
Retailer 2
-
$30,099 AUD
View
B+
Retailer 3
-
$32,831 AUD
View
B+
Retailer 4
-
$39,128 AUD
View
Retailer 5
-
$47,516 AUD
View
Price last confirmed 10 days ago
B
Retailer 6
-
$49,286 AUD
View
B
Retailer 7
-
$60,260 AUD
View
B
Retailer 8
-
$62,427 AUD
View
B
Retailer 9
-
$71,238 AUD
View
B
Retailer 10
-
$74,588 AUD
View
Most Expensive
B
Cape Diamonds
cert_762544975 · Nov 3
$84,864 AUD
ZAR 957,460 ZAR
View
10 more retailers have this diamond
Prices start from $29,039 AUDSave up to $55,825 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.

B+
6.51ct Oval
$29,039 AUD