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Round|Lab Grown|IGI

1.28ct F VVS2 Round Lab Grown Diamond

ID • F/VVS2 • IGI LG783655078

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783655078

Diamond specifications and retailer prices

From $370 NZD
As of November 5, 2026
Save $1,798 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,558 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783655078 or 783655078. Listed at 18 retailers as of November 4, 2026, with a 486% 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
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655078
Dimensions7.00 × 7.03 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm7.03 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783655078
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.2%

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: $936 NZD|Low: $356 NZD|High: $2,188 NZD|Avg: $955 NZD|+4.8%
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 14$370 NZD
Retailer 12$413 NZD
Retailer 3$429 NZD
Retailer 2$459 NZD
Retailer 6$459 NZD
Retailer 5$615 NZD
Retailer 10$873 NZD
Retailer 8$934 NZD
Retailer 1$936 NZD
Retailer 9$1,238 NZD
Retailer 13$1,480 NZD
Retailer 4$1,628 NZD
Retailer 7$2,023 NZD
Retailer 11$2,117 NZD

43 data points across 14 retailers

18 retailers$370 NZD to $2,168 NZD

A
Cheapest Retailer
-
$370 NZD
A
Retailer 2
-
$413 NZD
View
Final sale: no returns
A
Retailer 3
-
$429 NZD
View
A
Retailer 4
-
$459 NZD
View
Retailer 5
-
$459 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$615 NZD
View
A
Retailer 7
-
$633 NZD
View
A
Retailer 8
-
$873 NZD
View
B+
Retailer 9
-
$934 NZD
View
B+
Retailer 10
-
$936 NZD
View
B+
Retailer 11
-
$1,238 NZD
View
B
Retailer 12
-
$1,480 NZD
View
B
Retailer 13
-
$1,628 NZD
View
B
Retailer 14
-
$1,934 NZD
View
B
Retailer 15
-
$2,023 NZD
View
B
Retailer 16
-
$2,117 NZD
View
B
Retailer 17
-
$2,168 NZD
View
Most Expensive
Do Amore Diamonds
27-46538B2D5 · Nov 4
$3,558 NZD
$2,000 USD
View
Price under review
17 more retailers have this diamond
Prices start from $370 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
$370 NZD