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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG640443023

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

Certificate IGI LG640443023

Diamond specifications and retailer prices

From $447 NZD
$251 USD
As of October 27, 2026
Save $1,967 NZD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,414 NZD at Reve Diamonds · As of October 28, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640443023 or 640443023. Listed at 18 retailers as of October 27, 2026, with prices from $447 to $2,414, a $1,967 spread on the same certified stone. Reve Diamonds lists it at $2,414. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640443023
Dimensions8.00 × 5.35 × 3.56 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm5.35 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640443023
Side View
Table 63.0%Crown 38.5°Girdle: MED-STKPavilion 31.3°Culet: NoneDepth 66.5%

Caratlytics Score

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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: Oct 27
Current: $1,054 NZD|Low: $481 NZD|High: $2,414 NZD|Avg: $1,301 NZD|+9.2%
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
Reve Diamonds
October 29, 2026
Retailer 6$499 NZD
Retailer 13$554 NZD
Retailer 10$837 NZD
Retailer 3$887 NZD
Retailer 2$929 NZD
Retailer 8$951 NZD
Retailer 4$1,006 NZD
Retailer 1$1,054 NZD
Retailer 9$1,348 NZD
Retailer 12$1,638 NZD
Retailer 11$1,702 NZD
Retailer 14$1,781 NZD
Retailer 5$1,872 NZD
Retailer 7$2,232 NZD
Reve Diamonds$2,414 NZD

42 data points across 15 retailers

18 retailers$447 NZD to $2,414 NZD

A
Cheapest Retailer
-
$447 NZD
$251 USD
A
Retailer 2
-
$499 NZD
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$518 NZD
$291 USD
View
A
Retailer 4
-
$554 NZD
$311 USD
View
A
Retailer 5
-
$554 NZD
$311 USD
View
A
Retailer 6
-
$837 NZD
$470 USD
View
B+
Retailer 7
-
$887 NZD
$498 USD
View
B+
Retailer 8
-
$929 NZD
$522 USD
View
B+
Retailer 9
-
$951 NZD
ZAR 8,633 ZAR
View
B+
Retailer 10
-
$1,006 NZD
$565 USD
View
B+
Retailer 11
-
$1,054 NZD
£466 GBP
View
B+
Retailer 12
-
$1,348 NZD
A$1,165 AUD
View
B
Retailer 13
-
$1,638 NZD
$920 USD
View
B
Retailer 14
-
$1,702 NZD
$956 USD
View
B
Retailer 15
-
$1,781 NZD
$1,000 USD
View
B
Retailer 16
-
$1,872 NZD
$1,052 USD
View
B
Retailer 17
-
$2,232 NZD
£987 GBP
View
Most Expensive
B
Reve Diamonds
11AB9F759 · Oct 28
$2,414 NZD
$1,356 USD
View
17 more retailers have this diamond
Prices start from $447 NZDSave up to $1,967 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
$447 NZD