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Oval|Lab Grown|IGI

1.28ct D VVS1 Oval Lab Grown Diamond

ID • D/VVS1 • IGI LG786633714

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG786633714

Diamond specifications and retailer prices

From $414 NZD
As of November 5, 2026
Save $1,895 NZD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,886 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786633714 or 786633714. Listed at 24 retailers as of November 5, 2026, with a 457% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786633714
Dimensions8.77 × 6.11 × 3.79 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.77 mm6.11 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786633714
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

Caratlytics Score

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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: Nov 5
Current: $925 NZD|Low: $398 NZD|High: $2,651 NZD|Avg: $1,159 NZD|+6.6%
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
Retailer 16
November 6, 2026
Retailer 3$414 NZD
Retailer 4$480 NZD
Retailer 5$514 NZD
Retailer 15$514 NZD
Retailer 9$582 NZD
Retailer 8$694 NZD
Retailer 13$886 NZD
Retailer 1$925 NZD
Retailer 10$955 NZD
Retailer 14$1,252 NZD
Retailer 12$1,366 NZD
Retailer 16$1,651 NZD
Retailer 2$1,770 NZD
Retailer 11$2,056 NZD
Retailer 7$2,309 NZD
Retailer 6$2,651 NZD

41 data points across 16 retailers

24 retailers$414 NZD to $2,309 NZD

A
Cheapest Retailer
-
$414 NZD
A
Retailer 2
-
$464 NZD
View
Final sale: no returns
A
Retailer 3
-
$480 NZD
View
Retailer 4
-
$514 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$514 NZD
View
A
Retailer 6
-
$569 NZD
View
A
Retailer 7
-
$582 NZD
View
A
Retailer 8
-
$694 NZD
View
A
Retailer 9
-
$886 NZD
View
A
Retailer 10
-
$925 NZD
View
A
Retailer 11
-
$945 NZD
View
A
Retailer 12
-
$955 NZD
View
B+
Retailer 13
-
$1,156 NZD
View
Retailer 14
-
$1,252 NZD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$1,366 NZD
View
B+
Retailer 16
-
$1,651 NZD
View
B+
Retailer 17
-
$1,665 NZD
View
B
Retailer 18
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$1,743 NZD
View
Retailer 19
-
$1,770 NZD
View
Price last confirmed 16 days ago
B
Retailer 20
-
$1,781 NZD
View
B+
Retailer 21
-
$2,056 NZD
View
B
Retailer 22
-
$2,309 NZD
View
Retailer 23
-
$2,651 NZD
View
Price last confirmed 21 days ago
Most Expensive
Queensmith
LG786633714 · Oct 27
$3,886 NZD
£1,720 GBP
View
Price last confirmed 9 days ago
23 more retailers have this diamond
Prices start from $414 NZDSave up to $1,895 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
1.28ct Oval
$414 NZD