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Round|Lab Grown|IGI

10.28ct E VVS2 Round Lab Grown Diamond

EX • E/VVS2 • IGI LG842656023

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842656023

Diamond specifications and retailer prices

From £4,222 GBP
$5,657 USD
As of October 26, 2026
Save £3,066 GBP (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £20,957 GBP at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 10.28ct lab-grown round diamond

This 10.28ct lab-grown round sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842656023 or 842656023. Listed at 4 retailers as of October 26, 2026, with a 73% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.28
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842656023
Dimensions14.17 × 14.28 × 8.40 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.17 mm14.28 mm10.28 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842656023
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.0%

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 26
Current: £20,957 GBP|Low: £4,211 GBP|High: £20,957 GBP|Avg: £10,635 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 5£4,211 GBP
Retailer 4£4,222 GBP
Retailer 2£7,237 GBP
Retailer 3£7,288 GBP
Brilliant Earth£20,957 GBP

5 data points across 5 retailers

4 retailers£4,222 GBP to £7,288 GBP

A
Cheapest Retailer
-
£4,222 GBP
$5,657 USD
B
Retailer 2
-
£7,237 GBP
$9,697 USD
View
B
Retailer 3
-
£7,288 GBP
$9,765 USD
View
Most Expensive
Brilliant Earth
21704489A · Oct 8
£20,957 GBP
$28,080 USD
View
Price last confirmed 22 days ago
3 more retailers have this diamond
Prices start from £4,222 GBPSave up to £3,066 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
10.28ct Round
£4,222 GBP