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Oval|Lab Grown|IGI

3.17ct G IF Oval Lab Grown Diamond

ID • G/IF • IGI LG617450269

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG617450269

Diamond specifications and retailer prices

From £2,339 GBP
As of November 3, 2026
Save £8,957 GBP (79%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £16,682 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown oval diamond

This 3.17ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG617450269 or 617450269. Listed at 27 retailers as of November 3, 2026, with a 383% 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
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617450269
Dimensions12.17 × 8.21 × 5.10 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
12.17 mm8.21 mm3.17 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617450269
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £4,119 GBP|Low: £2,339 GBP|High: £11,296 GBP|Avg: £5,503 GBP|-1.2%
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
November 5, 2026
Retailer 5£2,339 GBP
Retailer 4£2,735 GBP
Retailer 15£2,930 GBP
Retailer 6£3,193 GBP
Retailer 14£3,879 GBP
Retailer 1£4,119 GBP
Retailer 13£4,452 GBP
Retailer 16£4,733 GBP
Retailer 7£4,764 GBP
Retailer 12£5,027 GBP
Retailer 10£6,649 GBP
Retailer 2£7,071 GBP
Retailer 11£7,080 GBP
Retailer 9£7,229 GBP
Retailer 8£8,265 GBP
Retailer 3£11,296 GBP

44 data points across 16 retailers

27 retailers£2,339 GBP to £11,296 GBP

B+
Cheapest Retailer
-
£2,339 GBP
Retailer 2
-
£2,424 GBP
View
Price last confirmed 38 days ago
Retailer 3
-
£2,638 GBP
View
Price last confirmed 40 days ago
B+
Retailer 4
-
£2,735 GBP
View
Retailer 5
-
£2,773 GBP
View
Price last confirmed 37 days ago
Retailer 6
-
£2,813 GBP
View
Price last confirmed 34 days ago
B+
Retailer 7
-
£2,813 GBP
View
Retailer 8
-
£2,813 GBP
View
Price last confirmed 26 days ago
B+
Retailer 9
-
£2,930 GBP
View
B+
Retailer 10
-
£3,193 GBP
View
Final sale: no returns
B
Retailer 11
-
£3,879 GBP
View
Retailer 12
-
£3,879 GBP
View
Price last confirmed 36 days ago
Retailer 13
-
£3,879 GBP
View
Price last confirmed 26 days ago
B
Retailer 14
-
£3,906 GBP
View
B+
Retailer 15
-
£4,119 GBP
View
B+
Retailer 16
-
£4,452 GBP
View
B
Retailer 17
-
£4,733 GBP
View
B
Retailer 18
-
£4,764 GBP
View
B
Retailer 19
-
£5,027 GBP
View
B
Retailer 20
-
£6,649 GBP
View
B
Retailer 21
-
£7,071 GBP
View
B
Retailer 22
-
£7,080 GBP
View
B
Retailer 23
-
£7,229 GBP
View
B
Retailer 24
-
£8,265 GBP
View
B
Retailer 25
-
£10,945 GBP
View
B
Retailer 26
-
£11,296 GBP
View
Most Expensive
Do Amore Diamonds
27-A216FA55E · Nov 4
£16,682 GBP
$22,520 USD
View
Price under review
26 more retailers have this diamond
Prices start from £2,339 GBPSave up to £8,957 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+
3.17ct Oval
£2,339 GBP