Round|Lab Grown|IGI

10.17ct E VVS2 Round Lab Grown Diamond

EX • E/VVS2 • IGI LG821678402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821678402

Diamond specifications and retailer prices

From £1,865 GBP
$2,499 USD
As of October 29, 2026
Save £18,868 GBP (91%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £20,733 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 10.17ct lab-grown round diamond

This 10.17ct 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 LG821678402 or 821678402. Listed at 21 retailers as of October 29, 2026, with prices from £1,865 to £20,733, a £18,868 spread on the same certified stone. Brilliant Earth lists it at £20,733. 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

10.17
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821678402
Dimensions14.05 × 14.00 × 8.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.05 mm14.00 mm10.17 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821678402
Side View
Table 58.0%Crown 31.8°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.6%

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 29
Current: £5,224 GBP|Low: £1,865 GBP|High: £9,389 GBP|Avg: £3,986 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 15£1,865 GBP
Retailer 11£2,089 GBP
Retailer 4£2,217 GBP
Retailer 2£2,254 GBP
Retailer 8£2,654 GBP
Retailer 12£2,909 GBP
Retailer 9£3,175 GBP
Retailer 7£3,303 GBP
Retailer 16£3,432 GBP
Retailer 5£3,433 GBP
Retailer 14£4,106 GBP
Retailer 6£4,460 GBP
Retailer 3£4,678 GBP
Retailer 1£5,224 GBP
Retailer 10£5,777 GBP
Retailer 13£7,550 GBP

25 data points across 16 retailers

21 retailers£1,865 GBP to £20,733 GBP

A
Cheapest Retailer
-
£1,865 GBP
$2,499 USD
A
Retailer 2
-
£2,089 GBP
$2,799 USD
View
Final sale: no returns
A
Retailer 3
-
£2,217 GBP
$2,970 USD
View
A
Retailer 4
-
£2,254 GBP
$3,020 USD
View
Retailer 5
-
£2,525 GBP
$3,383 USD
View
Price last confirmed 35 days ago
Retailer 6
-
£2,654 GBP
$3,556 USD
View
Price last confirmed 18 days ago
Retailer 7
-
£2,747 GBP
$3,681 USD
View
Price last confirmed 37 days ago
Retailer 8
-
£2,888 GBP
$3,870 USD
View
Price last confirmed 35 days ago
A
Retailer 9
-
£2,909 GBP
View
A
Retailer 10
-
£3,175 GBP
$4,254 USD
View
A
Retailer 11
-
£3,303 GBP
$4,425 USD
View
A
Retailer 12
-
£3,432 GBP
ZAR 74,286 ZAR
View
A
Retailer 13
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£3,433 GBP
$4,600 USD
View
Retailer 14
-
£3,676 GBP
$4,925 USD
View
Price last confirmed 39 days ago
A
Retailer 15
-
£4,106 GBP
View
Retailer 16
-
£4,460 GBP
A$9,193 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£4,678 GBP
€5,970 EUR
View
B+
Retailer 18
-
£5,224 GBP
$6,999 USD
View
B+
Retailer 19
-
£5,777 GBP
$7,741 USD
View
B+
Retailer 20
-
£7,550 GBP
$10,116 USD
View
Most Expensive
B
Brilliant Earth
20855232A · Oct 29
£20,733 GBP
$27,780 USD
View
20 more retailers have this diamond
Prices start from £1,865 GBPSave up to £18,868 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
10.17ct Round
£1,865 GBP