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1.28ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG814634827

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814634827

Diamond specifications and retailer prices

From $304 AUD
$213 USD
As of November 1, 2026
Save $906 AUD (75%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,210 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG814634827 or 814634827. Listed at 6 retailers as of October 31, 2026, with prices from $304 to $1,210, a $906 spread on the same certified stone. NZ Jewellers lists it at $1,210. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814634827
Dimensions6.95 × 6.92 × 4.30 mm
L/W Ratio1.00
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 mm6.92 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814634827
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
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 1
Current: $1,210 AUD|Low: $304 AUD|High: $38,299 AUD|Avg: $6,626 AUD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$304 AUD
Retailer 4$352 AUD
Retailer 2$377 AUD
Retailer 6$378 AUD
Retailer 3$726 AUD
NZ Jewellers$1,210 AUD
Retailer 8$1,265 AUD
Retailer 7$38,299 AUD

22 data points across 8 retailers

6 retailers$304 AUD to $1,210 AUD

A+
Cheapest Retailer
-
$304 AUD
$213 USD
A
Retailer 2
-
$352 AUD
$247 USD
View
A
Retailer 3
-
$377 AUD
$264 USD
View
Retailer 4
-
$378 AUD
$265 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$726 AUD
$509 USD
View
Most Expensive
B+
NZ Jewellers
b6baf221-8c3b-4609-9db7-389ffe95f09a · Oct 31
$1,210 AUD
$848 USD
View
5 more retailers have this diamond
Prices start from $304 AUDSave up to $906 AUD

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
$304 AUD