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Oval|Lab Grown|IGI

6.51ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG652426330

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG652426330

Diamond specifications and retailer prices

From $1,243 AUD
$873 USD
As of October 29, 2026
Save $7,726 AUD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,969 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG652426330 or 652426330. Listed at 23 retailers as of October 29, 2026, with prices from $1,243 to $8,969, a $7,726 spread on the same certified stone. Brilliant Earth lists it at $8,969. 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

6.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652426330
Dimensions15.27 × 10.31 × 6.47 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.27 mm10.31 mm6.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652426330
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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: Oct 29
Current: $8,969 AUD|Low: $1,193 AUD|High: $9,737 AUD|Avg: $3,034 AUD|-7.6%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 3$1,243 AUD
Retailer 9$1,352 AUD
Retailer 5$1,391 AUD
Retailer 7$1,442 AUD
Retailer 13$1,549 AUD
Retailer 16$1,694 AUD
Retailer 17$2,064 AUD
Retailer 10$2,160 AUD
Retailer 18$2,190 AUD
Retailer 2$2,217 AUD
Retailer 11$2,671 AUD
Retailer 15$2,790 AUD
Retailer 12$2,846 AUD
Retailer 8$4,053 AUD
Retailer 4$4,510 AUD
Retailer 6$4,535 AUD
Retailer 14$5,433 AUD
Brilliant Earth$8,969 AUD

39 data points across 18 retailers

23 retailers$1,243 AUD to $8,969 AUD

A
Cheapest Retailer
-
$1,243 AUD
$873 USD
A
Retailer 2
-
$1,352 AUD
$950 USD
View
A
Retailer 3
-
$1,391 AUD
$977 USD
View
Final sale: no returns
Retailer 4
-
$1,442 AUD
$1,013 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,442 AUD
$1,013 USD
View
A
Retailer 6
-
$1,549 AUD
£857 GBP
View
A
Retailer 7
-
$1,694 AUD
$1,190 USD
View
B+
Retailer 8
-
$2,064 AUD
$1,450 USD
View
A
Retailer 9
-
$2,160 AUD
$1,517 USD
View
A
Retailer 10
-
$2,190 AUD
€1,465 EUR
View
A
Retailer 11
-
$2,217 AUD
£1,227 GBP
View
A
Retailer 12
-
$2,671 AUD
View
A
Retailer 13
-
$2,790 AUD
ZAR 31,656 ZAR
View
A
Retailer 14
-
$2,846 AUD
$1,999 USD
View
B+
Retailer 15
-
$3,507 AUD
$2,463 USD
View
B+
Retailer 16
-
$3,671 AUD
$2,579 USD
View
B+
Retailer 17
-
$3,992 AUD
£2,208 GBP
View
B+
Retailer 18
-
$4,053 AUD
$2,847 USD
View
B+
Retailer 19
-
$4,510 AUD
$3,168 USD
View
B+
Retailer 20
-
$4,535 AUD
$3,186 USD
View
B
Retailer 21
-
$5,003 AUD
$3,514 USD
View
B
Retailer 22
-
$5,433 AUD
£3,005 GBP
View
Most Expensive
B
Brilliant Earth
17796174A · Oct 31
$8,969 AUD
$6,300 USD
View
22 more retailers have this diamond
Prices start from $1,243 AUDSave up to $7,726 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
6.51ct Oval
$1,243 AUD