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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG614334894

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

Certificate IGI LG614334894

Diamond specifications and retailer prices

From $329 NZD
$185 USD
As of November 2, 2026
Save $2,817 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,146 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG614334894 or 614334894. Listed at 11 retailers as of November 2, 2026, with prices from $329 to $3,146, a $2,817 spread on the same certified stone. Do Amore Diamonds lists it at $3,146. 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
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614334894
Dimensions7.55 × 5.34 × 3.65 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.55 mm5.34 mm1.28 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614334894
Side View
Table 61.0%Crown 45°Girdle: THN-MEDPavilion 34.5°Culet: NoneDepth 68.4%

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 2
Current: $3,146 NZD|Low: $309 NZD|High: $3,146 NZD|Avg: $1,264 NZD|+1.7%
Do Amore Diamonds
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 14$329 NZD
Retailer 18$361 NZD
Retailer 12$380 NZD
Retailer 16$718 NZD
Retailer 3$739 NZD
Retailer 8$783 NZD
Retailer 5$894 NZD
Retailer 7$946 NZD
Retailer 2$1,095 NZD
Retailer 10$1,194 NZD
Retailer 9$1,246 NZD
Retailer 13$1,383 NZD
Retailer 15$1,445 NZD
Retailer 6$1,683 NZD
Retailer 4$1,724 NZD
Retailer 11$2,101 NZD
Retailer 17$2,328 NZD
Do Amore Diamonds$3,146 NZD

20 data points across 18 retailers

11 retailers$329 NZD to $3,146 NZD

A
Cheapest Retailer
-
$329 NZD
$185 USD
A
Retailer 2
-
$361 NZD
$203 USD
View
Final sale: no returns
A
Retailer 3
-
$380 NZD
$214 USD
View
A
Retailer 4
-
$718 NZD
$404 USD
View
B+
Retailer 5
-
$1,095 NZD
A$948 AUD
View
B
Retailer 6
-
$1,383 NZD
$778 USD
View
B
Retailer 7
-
$1,445 NZD
$813 USD
View
B
Retailer 8
-
$1,724 NZD
$970 USD
View
B
Retailer 9
-
$2,101 NZD
£931 GBP
View
B
Retailer 10
-
$2,328 NZD
$1,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-B98A4F402 · Nov 2
$3,146 NZD
$1,770 USD
View
10 more retailers have this diamond
Prices start from $329 NZDSave up to $2,817 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
$329 NZD