Heart|Lab Grown|IGI

1.28ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG842634789

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842634789

Diamond specifications and retailer prices

From £310 GBP
$415 USD
As of October 28, 2026
Save £331 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,299 GBP at Do Amore Diamonds · As of October 23, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842634789 or 842634789. Listed at 12 retailers as of October 28, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842634789
Dimensions6.63 × 7.34 × 4.39 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.63 mm7.34 mm1.28 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842634789
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £1,299 GBP|Low: £186 GBP|High: £1,597 GBP|Avg: £604 GBP
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
October 29, 2026
Retailer 5£186 GBP
Retailer 13£278 GBP
Retailer 8£279 GBP
Retailer 6£310 GBP
Retailer 11£388 GBP
Retailer 7£418 GBP
Retailer 3£561 GBP
Retailer 2£640 GBP
Retailer 9£666 GBP
Retailer 12£861 GBP
Retailer 10£918 GBP
Retailer 4£946 GBP
Do Amore Diamonds£1,299 GBP

9 data points across 13 retailers

12 retailers£310 GBP to £640 GBP

Retailer 1
-
£278 GBP
$372 USD
Price last confirmed 10 days ago
Retailer 2
-
£279 GBP
View
Price last confirmed 9 days ago
A
Retailer 3
-
£310 GBP
$415 USD
View
Retailer 4
-
£388 GBP
ZAR 8,402 ZAR
View
Price last confirmed 12 days ago
Retailer 5
-
£418 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£561 GBP
A$1,157 AUD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£640 GBP
A$1,320 AUD
View
Retailer 8
-
£666 GBP
$893 USD
View
Price last confirmed 9 days ago
Retailer 9
-
£861 GBP
$1,153 USD
View
Price last confirmed 10 days ago
Retailer 10
-
£918 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
£946 GBP
$1,267 USD
View
Price last confirmed 8 days ago
Most Expensive
Do Amore Diamonds
36-2083794 · Oct 23
£1,299 GBP
$1,740 USD
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from £310 GBPSave up to £331 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 Heart
£310 GBP