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 $2,026 NZD
$1,142 USD
As of October 29, 2026
Save $6,200 NZD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,226 NZD 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 $2,026 to $8,226, a $6,200 spread on the same certified stone. Taylor and Hart lists it at $8,226. 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: $3,408 NZD|Low: $1,945 NZD|High: $8,226 NZD|Avg: $4,745 NZD|-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$2,026 NZD
Retailer 4$2,205 NZD
Retailer 15$2,351 NZD
Retailer 13$2,661 NZD
Retailer 10$3,362 NZD
Retailer 1$3,408 NZD
Retailer 11$4,351 NZD
Retailer 3$4,406 NZD
Retailer 8$4,548 NZD
Retailer 6$4,631 NZD
Retailer 7$4,950 NZD
Retailer 5$6,490 NZD
Retailer 2$6,804 NZD
Retailer 9$7,592 NZD
Retailer 12$7,798 NZD
Taylor and Hart$8,226 NZD

40 data points across 16 retailers

17 retailers$2,026 NZD to $8,226 NZD

A
Cheapest Retailer
-
$2,026 NZD
$1,142 USD
A
Retailer 2
-
$2,205 NZD
$1,243 USD
View
A
Retailer 3
-
$2,351 NZD
$1,325 USD
View
Retailer 4
-
$2,351 NZD
$1,325 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$2,661 NZD
$1,500 USD
View
B+
Retailer 6
-
$3,362 NZD
$1,895 USD
View
A
Retailer 7
-
$3,408 NZD
£1,513 GBP
View
Retailer 8
-
$4,351 NZD
A$3,773 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$4,406 NZD
$2,483 USD
View
B+
Retailer 10
-
$4,548 NZD
ZAR 41,414 ZAR
View
B+
Retailer 11
-
$4,631 NZD
$2,610 USD
View
B+
Retailer 12
-
$4,950 NZD
$2,790 USD
View
B
Retailer 13
-
$6,490 NZD
£2,880 GBP
View
B
Retailer 14
-
$6,804 NZD
$3,835 USD
View
B
Retailer 15
-
$7,592 NZD
£3,369 GBP
View
B
Retailer 16
-
$7,798 NZD
$4,395 USD
View
Most Expensive
B
Taylor and Hart
0RCJ5QY · Oct 30
$8,226 NZD
$4,636 USD
View
16 more retailers have this diamond
Prices start from $2,026 NZDSave up to $6,200 NZD

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
$2,026 NZD