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Round|Lab Grown|IGI

1.28ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG786633777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786633777

Diamond specifications and retailer prices

From $400 NZD
As of November 5, 2026
Save $1,733 NZD (81%) vs most expensive(unlock to see where)
22 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 LG786633777 or 786633777. Listed at 22 retailers as of November 4, 2026, with a 433% 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 angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786633777
Dimensions6.95 × 6.98 × 4.27 mm
L/W Ratio1.00
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
6.95 mm6.98 mm1.28 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786633777
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

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: Nov 5
Current: $808 NZD|Low: $345 NZD|High: $2,106 NZD|Avg: $831 NZD|+5.6%
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
November 5, 2026
Retailer 5$345 NZD
Retailer 12$400 NZD
Retailer 2$445 NZD
Retailer 4$445 NZD
Retailer 3$601 NZD
Retailer 14$735 NZD
Retailer 10$768 NZD
Retailer 1$808 NZD
Retailer 9$817 NZD
Retailer 6$886 NZD
Retailer 13$978 NZD
Retailer 7$1,085 NZD
Retailer 8$1,162 NZD
Retailer 11$2,081 NZD

43 data points across 14 retailers

22 retailers$400 NZD to $2,133 NZD

Retailer 1
-
$345 NZD
Price last confirmed 36 days ago
A
Retailer 2
-
$400 NZD
View
Final sale: no returns
Retailer 3
-
$416 NZD
View
Price last confirmed 31 days ago
Retailer 4
-
$445 NZD
View
Price last confirmed 35 days ago
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
Retailer 13
-
$978 NZD
View
Price last confirmed 19 days ago
B+
Retailer 14
-
$1,085 NZD
View
B+
Retailer 15
-
$1,162 NZD
View
Retailer 16
-
$1,432 NZD
View
Price last confirmed 37 days ago
B+
Retailer 17
-
$1,448 NZD
View
B
Retailer 18
-
$1,512 NZD
View
B
Retailer 19
-
$1,526 NZD
View
B
Retailer 20
-
$2,081 NZD
View
B
Retailer 21
-
$2,133 NZD
View
Most Expensive
Queensmith
LG786633777 · Oct 27
$3,886 NZD
£1,720 GBP
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $400 NZDSave up to $1,733 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
$400 NZD