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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 $1,142 USD
As of October 29, 2026
Save $3,494 USD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,636 USD 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 $1,142 to $4,636, a $3,494 spread on the same certified stone. Taylor and Hart lists it at $4,636. 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
Color
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: $1,917 USD|Low: $1,445 USD|High: $4,636 USD|Avg: $3,034 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 9$1,500 USD
Retailer 6$1,895 USD
Retailer 1$1,917 USD
Retailer 7$2,452 USD
Retailer 4$2,564 USD
Retailer 2$2,610 USD
Retailer 3$2,790 USD
Retailer 11$3,658 USD
Retailer 10$3,835 USD
Retailer 5$4,279 USD
Retailer 8$4,395 USD
Taylor and Hart$4,636 USD

39 data points across 12 retailers

17 retailers$1,142 USD to $4,636 USD

A
Cheapest Retailer
-
$1,142 USD
A
Retailer 2
-
$1,243 USD
View
A
Retailer 3
-
$1,325 USD
View
Retailer 4
-
$1,325 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,500 USD
View
B+
Retailer 6
-
$1,895 USD
View
A
Retailer 7
-
$1,917 USD
£1,509 GBP
View
Retailer 8
-
$2,452 USD
A$3,773 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$2,483 USD
View
B+
Retailer 10
-
$2,564 USD
ZAR 41,414 ZAR
View
B+
Retailer 11
-
$2,610 USD
View
B+
Retailer 12
-
$2,790 USD
View
B
Retailer 13
-
$3,658 USD
£2,880 GBP
View
B
Retailer 14
-
$3,835 USD
View
B
Retailer 15
-
$4,279 USD
£3,369 GBP
View
B
Retailer 16
-
$4,395 USD
View
Most Expensive
B
Taylor and Hart
0RCJ5QY · Oct 30
$4,636 USD
View
16 more retailers have this diamond
Prices start from $1,142 USDSave up to $3,494 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.

A
6.68ct Oval
$1,142 USD