Radiant|Lab Grown|IGI

3.17ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG839659564

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

Certificate IGI LG839659564

Diamond specifications and retailer prices

From £438 GBP
$583 USD
As of October 27, 2026
Save £2,269 GBP (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,389 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 3.17ct lab-grown radiant diamond

This 3.17ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839659564 or 839659564. Listed at 24 retailers as of October 27, 2026, with a 518% 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

3.17
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839659564
Dimensions10.09 × 7.23 × 5.00 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.09 mm7.23 mm3.17 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839659564
Side View
Table 67.0%Crown 44.2°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 69.2%

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 27
Current: £848 GBP|Low: £438 GBP|High: £2,741 GBP|Avg: £1,191 GBP|-2.4%
Retailer 1
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Retailer 22
October 29, 2026
Retailer 5£438 GBP
Retailer 2£490 GBP
Retailer 6£490 GBP
Retailer 12£543 GBP
Retailer 15£550 GBP
Retailer 11£592 GBP
Retailer 22£642 GBP
Retailer 21£728 GBP
Retailer 13£794 GBP
Retailer 16£808 GBP
Retailer 1£848 GBP
Retailer 14£1,168 GBP
Retailer 17£1,179 GBP
Retailer 9£1,352 GBP
Retailer 18£1,428 GBP
Retailer 10£1,441 GBP
Retailer 3£1,579 GBP
Retailer 4£1,758 GBP
Retailer 19£1,795 GBP
Retailer 7£2,153 GBP
Retailer 8£2,370 GBP
Retailer 20£2,707 GBP

17 data points across 22 retailers

24 retailers£438 GBP to £2,707 GBP

A
Cheapest Retailer
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£438 GBP
$583 USD
A
Retailer 2
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£490 GBP
$653 USD
View
Final sale: no returns
A
Retailer 3
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£490 GBP
$653 USD
View
A
Retailer 4
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£543 GBP
$723 USD
View
A
Retailer 5
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£550 GBP
$732 USD
View
Price last confirmed 13 days ago
A
Retailer 6
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£592 GBP
View
A
Retailer 7
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£642 GBP
$855 USD
View
A
Retailer 8
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£728 GBP
$970 USD
View
A
Retailer 9
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£794 GBP
€1,007 EUR
View
A
Retailer 10
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£808 GBP
$1,076 USD
View
A
Retailer 11
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£848 GBP
View
A
Retailer 12
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£1,168 GBP
A$2,393 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
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£1,179 GBP
ZAR 25,368 ZAR
View
A
Retailer 14
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£1,352 GBP
$1,801 USD
View
A
Retailer 15
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£1,428 GBP
$1,902 USD
View
A
Retailer 16
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£1,441 GBP
$1,919 USD
View
B+
Retailer 17
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£1,579 GBP
View
B+
Retailer 18
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£1,758 GBP
$2,341 USD
View
B+
Retailer 19
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£1,775 GBP
$2,364 USD
View
B+
Retailer 20
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£1,795 GBP
$2,390 USD
View
B+
Retailer 21
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£2,153 GBP
SGD 3,874 SGD
View
B+
Retailer 22
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£2,370 GBP
View
B
Retailer 23
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£2,707 GBP
$3,605 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJPMLPLMK · Oct 13
£3,389 GBP
$4,513 USD
View
Price last confirmed 16 days ago
23 more retailers have this diamond
Prices start from £438 GBPSave up to £2,269 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
3.17ct Radiant
£438 GBP