Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG645487549

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

Certificate IGI LG645487549

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 30, 2026
Save £1,277 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,425 GBP 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 LG645487549 or 645487549. Listed at 15 retailers as of October 29, 2026, with prices from £149 to £1,425, a £1,277 spread on the same certified stone. Do Amore Diamonds lists it at £1,425. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645487549
Dimensions7.59 × 5.39 × 3.62 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.59 mm5.39 mm1.28 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645487549
Side View
Table 65.0%Crown 44.9°Girdle: MediumPavilion 34.8°Culet: NoneDepth 67.2%

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: £1,425 GBP|Low: £281 GBP|High: £1,425 GBP|Avg: £665 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10£281 GBP
Retailer 6£319 GBP
Retailer 2£379 GBP
Retailer 4£478 GBP
Retailer 5£595 GBP
Retailer 9£783 GBP
Retailer 7£796 GBP
Retailer 3£817 GBP
Retailer 8£851 GBP
Do Amore Diamonds£1,425 GBP

41 data points across 10 retailers

15 retailers£149 GBP to £1,425 GBP

A
Cheapest Retailer
-
£149 GBP
$199 USD
A
Retailer 2
-
£172 GBP
$231 USD
View
A
Retailer 3
-
£184 GBP
$247 USD
View
A
Retailer 4
-
£184 GBP
$247 USD
View
A
Retailer 5
-
£281 GBP
$376 USD
View
A
Retailer 6
-
£319 GBP
$428 USD
View
A
Retailer 7
-
£379 GBP
View
Retailer 8
-
£478 GBP
$640 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£540 GBP
View
B
Retailer 10
-
£595 GBP
$797 USD
View
B
Retailer 11
-
£655 GBP
$877 USD
View
Retailer 12
-
£783 GBP
$1,049 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
£796 GBP
View
B
Retailer 14
-
£817 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DC54FE9F1 · Oct 29
£1,425 GBP
$1,910 USD
View
14 more retailers have this diamond
Prices start from £149 GBPSave up to £1,277 GBP

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
£149 GBP