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Round|Lab Grown|IGI

1.28ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG794629570

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794629570

Diamond specifications and retailer prices

From $334 NZD
As of November 5, 2026
Save $1,798 NZD (84%) vs most expensive(unlock to see where)
23 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 round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794629570 or 794629570. Listed at 23 retailers as of November 4, 2026, with a 538% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794629570
Dimensions6.95 × 6.99 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.95 mm6.99 mm1.28 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794629570
Side View
Table 60.0%Crown 35.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

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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: Nov 5
Current: $416 NZD|Low: $334 NZD|High: $2,106 NZD|Avg: $889 NZD|-6.4%
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
November 6, 2026
Retailer 9$334 NZD
Retailer 10$390 NZD
Retailer 3$400 NZD
Retailer 1$416 NZD
Retailer 5$445 NZD
Retailer 7$601 NZD
Retailer 4$735 NZD
Retailer 15$768 NZD
Retailer 11$808 NZD
Retailer 14$817 NZD
Retailer 13$1,085 NZD
Retailer 8$1,336 NZD
Retailer 12$1,437 NZD
Retailer 6$1,743 NZD
Retailer 2$2,081 NZD

39 data points across 15 retailers

23 retailers$334 NZD to $2,133 NZD

A
Cheapest Retailer
-
$334 NZD
A
Retailer 2
-
$390 NZD
View
A
Retailer 3
-
$400 NZD
View
Final sale: no returns
A
Retailer 4
-
$416 NZD
View
Retailer 5
-
$445 NZD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$500 NZD
View
B+
Retailer 7
-
$601 NZD
View
A
Retailer 8
-
$768 NZD
View
A
Retailer 9
-
$808 NZD
View
A
Retailer 10
-
$817 NZD
View
A
Retailer 11
-
$824 NZD
View
A
Retailer 12
-
$886 NZD
View
B+
Retailer 13
-
$1,085 NZD
View
B+
Retailer 14
-
$1,162 NZD
View
B+
Retailer 15
-
$1,336 NZD
View
B+
Retailer 16
-
$1,437 NZD
View
B+
Retailer 17
-
$1,448 NZD
View
B
Retailer 18
-
$1,512 NZD
View
B
Retailer 19
-
$1,526 NZD
View
B
Retailer 20
-
$1,743 NZD
View
B
Retailer 21
-
$2,081 NZD
View
B
Retailer 22
-
$2,133 NZD
View
Most Expensive
Queensmith
LG794629570 · Oct 27
$3,886 NZD
£1,720 GBP
View
Price last confirmed 9 days ago
22 more retailers have this diamond
Prices start from $334 NZDSave up to $1,798 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 Round
$334 NZD