CaratHunter
Plans
Round|Lab Grown|IGI

1.28ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG781609675

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609675

Diamond specifications and retailer prices

From $377 NZD
As of November 3, 2026
Save $1,493 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,870 NZD at MOH London · As of November 2, 2026
View at MOH London

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781609675 or 781609675. Listed at 18 retailers as of November 2, 2026, with prices from $377 to $1,870, a $1,493 spread on the same certified stone. MOH London lists it at $1,870. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609675
Dimensions6.91 × 6.94 × 4.29 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
6.91 mm6.94 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609675
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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 3
Current: $1,870 NZD|Low: $361 NZD|High: $1,892 NZD|Avg: $955 NZD|-0.1%
MOH London
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 4, 2026
Retailer 11$377 NZD
Retailer 4$466 NZD
Retailer 13$466 NZD
Retailer 14$802 NZD
Retailer 10$804 NZD
Retailer 6$809 NZD
Retailer 9$852 NZD
Retailer 3$903 NZD
Retailer 2$925 NZD
Retailer 12$1,138 NZD
Retailer 8$1,140 NZD
Retailer 7$1,504 NZD
Retailer 5$1,694 NZD
MOH London$1,870 NZD

29 data points across 14 retailers

18 retailers$377 NZD to $1,870 NZD

A
Cheapest Retailer
-
$377 NZD
A
Retailer 2
-
$436 NZD
View
Retailer 3
-
$466 NZD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$466 NZD
View
A
Retailer 5
-
$802 NZD
View
A
Retailer 6
-
$804 NZD
View
A
Retailer 7
-
$809 NZD
View
A
Retailer 8
-
$852 NZD
View
A
Retailer 9
-
$903 NZD
View
A
Retailer 10
-
$925 NZD
View
B+
Retailer 11
-
$1,138 NZD
View
A
Retailer 12
-
$1,140 NZD
View
B+
Retailer 13
-
$1,221 NZD
View
B+
Retailer 14
-
$1,499 NZD
View
B+
Retailer 15
-
$1,504 NZD
View
B
Retailer 16
-
$1,593 NZD
View
B+
Retailer 17
-
$1,728 NZD
View
Most Expensive
B+
MOH London
LG781609675 · Nov 2
$1,870 NZD
£828 GBP
View
17 more retailers have this diamond
Prices start from $377 NZDSave up to $1,493 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
$377 NZD