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Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG636400604

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

Certificate IGI LG636400604

Diamond specifications and retailer prices

From $321 NZD
$181 USD
As of October 30, 2026
Save $2,766 NZD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,087 NZD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG636400604 or 636400604. Listed at 9 retailers as of October 29, 2026, with prices from $321 to $3,087, a $2,766 spread on the same certified stone. Do Amore Diamonds lists it at $3,087. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636400604
Dimensions7.84 × 5.36 × 3.55 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.84 mm5.36 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636400604
Side View
Table 65.0%Crown 41°Girdle: MediumPavilion 35.3°Culet: NoneDepth 66.2%

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: Oct 30
Current: $3,087 NZD|Low: $255 NZD|High: $3,087 NZD|Avg: $1,166 NZD
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
October 30, 2026
Retailer 7$321 NZD
Retailer 9$360 NZD
Retailer 2$528 NZD
Retailer 8$704 NZD
Retailer 12$755 NZD
Retailer 11$898 NZD
Retailer 3$930 NZD
Retailer 4$1,238 NZD
Retailer 6$1,354 NZD
Retailer 10$1,680 NZD
Retailer 5$2,069 NZD
Do Amore Diamonds$3,087 NZD

36 data points across 12 retailers

9 retailers$321 NZD to $3,087 NZD

A
Cheapest Retailer
-
$321 NZD
$181 USD
A
Retailer 2
-
$360 NZD
$203 USD
View
Final sale: no returns
A
Retailer 3
-
$373 NZD
$210 USD
View
A
Retailer 4
-
$528 NZD
£234 GBP
View
A
Retailer 5
-
$704 NZD
$397 USD
View
B
Retailer 6
-
$1,354 NZD
$763 USD
View
B
Retailer 7
-
$1,414 NZD
$797 USD
View
B
Retailer 8
-
$2,069 NZD
£918 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D4191F613 · Oct 29
$3,087 NZD
$1,740 USD
View
8 more retailers have this diamond
Prices start from $321 NZDSave up to $2,766 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
$321 NZD