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1.28ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • GCAL 270160019

Shape and cutting style on the report: Round brilliant

Certificate GCAL 270160019

Diamond specifications and retailer prices

From $740 NZD
As of November 4, 2026
Save $1,132 NZD (60%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,872 NZD at MOH London · As of November 1, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GCAL 270160019. Listed at 4 retailers as of November 1, 2026, with prices from $740 to $1,872, a $1,132 spread on the same certified stone. MOH London lists it at $1,872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 270160019
Dimensions7.08 × 7.05 × 4.21 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.08 mm7.05 mm1.28 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 270160019
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
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 4
Current: $1,872 NZD|Low: $660 NZD|High: $2,084 NZD|Avg: $1,366 NZD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 2$740 NZD
Retailer 3$988 NZD
Retailer 4$1,808 NZD
MOH London$1,872 NZD

12 data points across 4 retailers

4 retailers$740 NZD to $1,872 NZD

A
Cheapest Retailer
-
$740 NZD
A
Retailer 2
-
$988 NZD
View
B
Retailer 3
-
$1,808 NZD
View
Most Expensive
B+
MOH London
270160019 · Nov 1
$1,872 NZD
£831 GBP
View
3 more retailers have this diamond
Prices start from $740 NZDSave up to $1,132 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
$740 NZD