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Heart|Lab Grown|IGI

0.28ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG821646688

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821646688

Diamond specifications and retailer prices

From £128 GBP
€163 EUR
As of November 2, 2026
Save £116 GBP (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £286 GBP at B2C Jewels · As of October 26, 2026
View at B2C Jewels

About this 0.28ct lab-grown heart diamond

This 0.28ct lab-grown heart sits in the sub-half-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821646688 or 821646688. Listed at 9 retailers as of October 27, 2026, with a 91% 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

0.28
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821646688
Dimensions4.60 × 4.16 × 2.54 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.60 mm4.16 mm0.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG821646688
Side View
Table 66.0%Crown 31.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 55.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £286 GBP|Low: £50 GBP|High: £316 GBP|Avg: £169 GBP|-5.4%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8£50 GBP
Retailer 5£57 GBP
Retailer 4£66 GBP
Retailer 2£128 GBP
Retailer 7£144 GBP
Retailer 9£156 GBP
Retailer 3£197 GBP
Retailer 6£243 GBP
B2C Jewels£286 GBP

21 data points across 9 retailers

9 retailers£128 GBP to £243 GBP

Retailer 1
-
£50 GBP
$67 USD
Price last confirmed 10 days ago
Retailer 2
-
£57 GBP
$77 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£66 GBP
$88 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
£128 GBP
€163 EUR
View
Retailer 5
-
£144 GBP
$193 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£156 GBP
$210 USD
View
Price last confirmed 21 days ago
Retailer 7
-
£197 GBP
$265 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
£243 GBP
$326 USD
View
Most Expensive
B2C Jewels
36270144 · Oct 26
£286 GBP
$384 USD
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from £128 GBPSave up to £116 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.

B
0.28ct Heart
£128 GBP