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Oval|Lab Grown|IGI

6.68ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG819655390

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG819655390

Diamond specifications and retailer prices

From $1,626 AUD
$1,142 USD
As of October 29, 2026
Save $4,974 AUD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,600 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6.68ct lab-grown oval diamond

This 6.68ct 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 LG819655390 or 819655390. Listed at 17 retailers as of October 29, 2026, with prices from $1,626 to $6,600, a $4,974 spread on the same certified stone. Taylor and Hart lists it at $6,600. 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

6.68
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819655390
Dimensions15.52 × 10.59 × 6.59 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.52 mm10.59 mm6.68 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819655390
Side View
Table 58.0%Crown 36.9°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 62.2%

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: $2,735 AUD|Low: $1,560 AUD|High: $6,600 AUD|Avg: $3,807 AUD|-1.1%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 14$1,626 AUD
Retailer 4$1,770 AUD
Retailer 15$1,886 AUD
Retailer 13$2,135 AUD
Retailer 10$2,698 AUD
Retailer 1$2,735 AUD
Retailer 11$3,491 AUD
Retailer 3$3,535 AUD
Retailer 8$3,649 AUD
Retailer 6$3,716 AUD
Retailer 7$3,972 AUD
Retailer 5$5,207 AUD
Retailer 2$5,460 AUD
Retailer 9$6,091 AUD
Retailer 12$6,257 AUD
Taylor and Hart$6,600 AUD

40 data points across 16 retailers

17 retailers$1,626 AUD to $6,600 AUD

A
Cheapest Retailer
-
$1,626 AUD
$1,142 USD
A
Retailer 2
-
$1,770 AUD
$1,243 USD
View
A
Retailer 3
-
$1,886 AUD
$1,325 USD
View
Retailer 4
-
$1,886 AUD
$1,325 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$2,135 AUD
$1,500 USD
View
B+
Retailer 6
-
$2,698 AUD
$1,895 USD
View
A
Retailer 7
-
$2,735 AUD
£1,513 GBP
View
Retailer 8
-
$3,491 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$3,535 AUD
$2,483 USD
View
B+
Retailer 10
-
$3,649 AUD
ZAR 41,414 ZAR
View
B+
Retailer 11
-
$3,716 AUD
$2,610 USD
View
B+
Retailer 12
-
$3,972 AUD
$2,790 USD
View
B
Retailer 13
-
$5,207 AUD
£2,880 GBP
View
B
Retailer 14
-
$5,460 AUD
$3,835 USD
View
B
Retailer 15
-
$6,091 AUD
£3,369 GBP
View
B
Retailer 16
-
$6,257 AUD
$4,395 USD
View
Most Expensive
B
Taylor and Hart
0RCJ5QY · Oct 30
$6,600 AUD
$4,636 USD
View
16 more retailers have this diamond
Prices start from $1,626 AUDSave up to $4,974 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
6.68ct Oval
$1,626 AUD