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 $181 USD
As of October 27, 2026
Save $1,559 USD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,740 USD 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 27, 2026, with prices from $181 to $1,740, a $1,559 spread on the same certified stone. Do Amore Diamonds lists it at $1,740. 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
Color
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

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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: $1,740 USD|Low: $144 USD|High: $1,740 USD|Avg: $658 USD
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 29, 2026
Retailer 7$181 USD
Retailer 9$203 USD
Retailer 2$298 USD
Retailer 8$397 USD
Retailer 12$426 USD
Retailer 11$506 USD
Retailer 3$524 USD
Retailer 4$698 USD
Retailer 6$763 USD
Retailer 10$947 USD
Retailer 5$1,166 USD
Do Amore Diamonds$1,740 USD

35 data points across 12 retailers

9 retailers$181 USD to $1,740 USD

A
Cheapest Retailer
-
$181 USD
A
Retailer 2
-
$203 USD
View
Final sale: no returns
A
Retailer 3
-
$210 USD
View
A
Retailer 4
-
$298 USD
£235 GBP
View
A
Retailer 5
-
$397 USD
View
B
Retailer 6
-
$763 USD
View
B
Retailer 7
-
$797 USD
View
B
Retailer 8
-
$1,166 USD
£918 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D4191F613 · Oct 29
$1,740 USD
View
8 more retailers have this diamond
Prices start from $181 USDSave up to $1,559 USD

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
$181 USD