CaratHunter
Plans
Radiant|Lab Grown|IGI

1.28ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG843659904

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG843659904

Diamond specifications and retailer prices

From $363 NZD
As of November 4, 2026
Save $1,782 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,145 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG843659904 or 843659904. Listed at 16 retailers as of November 4, 2026, with prices from $363 to $2,145, a $1,782 spread on the same certified stone. Reve Diamonds lists it at $2,145. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843659904
Dimensions7.77 × 5.29 × 3.59 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.77 mm5.29 mm1.28 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843659904
Side View
Table 66.0%Crown 46.1°Girdle: MediumPavilion 34.4°Culet: NoneDepth 67.9%

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 4
Current: $420 NZD|Low: $359 NZD|High: $2,145 NZD|Avg: $1,013 NZD|+0.9%
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
Retailer 15
Reve Diamonds
November 6, 2026
Retailer 11$363 NZD
Retailer 13$406 NZD
Retailer 1$420 NZD
Retailer 3$445 NZD
Retailer 8$596 NZD
Retailer 5$768 NZD
Retailer 6$768 NZD
Retailer 2$777 NZD
Retailer 10$818 NZD
Retailer 9$911 NZD
Retailer 4$1,085 NZD
Retailer 12$1,446 NZD
Retailer 15$1,450 NZD
Retailer 14$1,541 NZD
Retailer 7$2,081 NZD
Reve Diamonds$2,145 NZD

7 data points across 16 retailers

16 retailers$363 NZD to $2,145 NZD

A
Cheapest Retailer
-
$363 NZD
A
Retailer 2
-
$406 NZD
View
Final sale: no returns
A
Retailer 3
-
$420 NZD
View
A
Retailer 4
-
$445 NZD
View
A
Retailer 5
-
$596 NZD
View
A
Retailer 6
-
$768 NZD
View
A
Retailer 7
-
$768 NZD
View
A
Retailer 8
-
$777 NZD
View
A
Retailer 9
-
$818 NZD
View
B+
Retailer 10
-
$911 NZD
View
B+
Retailer 11
-
$1,085 NZD
View
B
Retailer 12
-
$1,446 NZD
View
B
Retailer 13
-
$1,450 NZD
View
B
Retailer 14
-
$1,541 NZD
View
B
Retailer 15
-
$2,081 NZD
View
Most Expensive
B
Reve Diamonds
887ACEB79 · Nov 4
$2,145 NZD
$1,206 USD
View
15 more retailers have this diamond
Prices start from $363 NZDSave up to $1,782 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 Radiant
$363 NZD