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Oval|Lab Grown|IGI

6.86ct E VS2 Oval Lab Grown Diamond

ID • E/VS2 • IGI LG778673975

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778673975

Diamond specifications and retailer prices

From $1,628 AUD
$1,144 USD
As of October 27, 2026
Save $8,051 AUD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,679 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.86ct lab-grown oval diamond

This 6.86ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778673975 or 778673975. Listed at 21 retailers as of October 27, 2026, with prices from $1,628 to $9,679, a $8,051 spread on the same certified stone. Brilliant Earth lists it at $9,679. 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

6.86
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778673975
Dimensions15.53 × 10.57 × 6.49 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.53 mm10.57 mm6.86 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778673975
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.4%

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: Oct 27
Current: $9,679 AUD|Low: $1,628 AUD|High: $9,679 AUD|Avg: $4,589 AUD
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
October 27, 2026
Retailer 8$1,628 AUD
Retailer 16$1,936 AUD
Retailer 6$1,949 AUD
Retailer 2$2,418 AUD
Retailer 13$2,557 AUD
Retailer 15$2,694 AUD
Retailer 14$3,213 AUD
Retailer 10$3,320 AUD
Retailer 7$4,664 AUD
Retailer 3$5,039 AUD
Retailer 4$5,232 AUD
Retailer 5$5,663 AUD
Retailer 11$5,730 AUD
Retailer 17$7,094 AUD
Retailer 9$8,042 AUD
Retailer 12$8,405 AUD
Brilliant Earth$9,679 AUD

40 data points across 17 retailers

21 retailers$1,628 AUD to $9,679 AUD

Retailer 1
-
$1,455 AUD
$1,022 USD
Price last confirmed 19 days ago
Retailer 2
-
$1,583 AUD
$1,112 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,628 AUD
$1,144 USD
View
Final sale: no returns
Retailer 4
-
$1,688 AUD
$1,186 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,936 AUD
$1,360 USD
View
A
Retailer 6
-
$1,949 AUD
HK$10,700 HKD
View
A
Retailer 7
-
$2,418 AUD
£1,338 GBP
View
A
Retailer 8
-
$2,557 AUD
€1,711 EUR
View
B+
Retailer 9
-
$2,694 AUD
$1,893 USD
View
Retailer 10
-
$3,163 AUD
$2,222 USD
View
Price last confirmed 22 days ago
A
Retailer 11
-
$3,213 AUD
$2,257 USD
View
A
Retailer 12
-
$3,320 AUD
View
B+
Retailer 13
-
$4,664 AUD
£2,580 GBP
View
B+
Retailer 14
-
$5,039 AUD
$3,540 USD
View
B+
Retailer 15
-
$5,232 AUD
$3,676 USD
View
B+
Retailer 16
-
$5,663 AUD
SGD 5,376 SGD
View
B+
Retailer 17
-
$5,730 AUD
£3,170 GBP
View
Retailer 18
-
$7,094 AUD
View
Price last confirmed 25 days ago
B
Retailer 19
-
$8,122 AUD
$5,706 USD
View
B
Retailer 20
-
$8,405 AUD
$5,905 USD
View
Most Expensive
B
Brilliant Earth
18472466A · Oct 29
$9,679 AUD
$6,800 USD
View
20 more retailers have this diamond
Prices start from $1,628 AUDSave up to $8,051 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
6.86ct Oval
$1,628 AUD