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Oval|Lab Grown|IGI

3.15ct I VS1 Oval Lab Grown Diamond

ID • I/VS1 • IGI LG843642139

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843642139

Diamond specifications and retailer prices

From £996 GBP
$1,335 USD
As of October 29, 2026
Save £3,066 GBP (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,062 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.15ct lab-grown oval diamond

This 3.15ct lab-grown oval sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843642139 or 843642139. Listed at 14 retailers as of October 29, 2026, with prices from £996 to £4,062, a £3,066 spread on the same certified stone. Taylor and Hart lists it at £4,062. 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

3.15
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843642139
Dimensions12.33 × 7.32 × 5.02 mm
L/W Ratio1.68
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.33 mm7.32 mm3.15 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843642139
Side View
Table 53.0%Crown 40.2°Girdle: THK-VTKPavilion 41.7°Culet: LargeDepth 68.6%

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: Oct 29
Current: £2,155 GBP|Low: £996 GBP|High: £4,432 GBP|Avg: £2,051 GBP|-5.7%
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
Taylor and Hart
October 31, 2026
Retailer 8£996 GBP
Retailer 7£1,111 GBP
Retailer 13£1,156 GBP
Retailer 4£1,181 GBP
Retailer 10£1,284 GBP
Retailer 6£1,384 GBP
Retailer 5£1,407 GBP
Retailer 2£1,508 GBP
Retailer 1£2,155 GBP
Retailer 3£2,360 GBP
Retailer 9£2,685 GBP
Retailer 11£2,787 GBP
Retailer 12£3,734 GBP
Taylor and Hart£4,062 GBP

11 data points across 14 retailers

14 retailers£996 GBP to £4,062 GBP

B+
Cheapest Retailer
-
£996 GBP
$1,335 USD
B+
Retailer 2
-
£1,111 GBP
$1,488 USD
View
B+
Retailer 3
-
£1,156 GBP
$1,549 USD
View
B
Retailer 4
-
£1,181 GBP
$1,582 USD
View
B+
Retailer 5
-
£1,284 GBP
$1,720 USD
View
B+
Retailer 6
-
£1,384 GBP
$1,854 USD
View
B
Retailer 7
-
£1,407 GBP
$1,885 USD
View
B
Retailer 8
-
£1,508 GBP
$2,020 USD
View
B
Retailer 9
-
£2,155 GBP
$2,887 USD
View
B
Retailer 10
-
£2,360 GBP
$3,162 USD
View
B
Retailer 11
-
£2,685 GBP
ZAR 58,111 ZAR
View
B
Retailer 12
-
£2,787 GBP
View
B
Retailer 13
-
£3,734 GBP
View
Most Expensive
B
Taylor and Hart
39NCNI6 · Oct 30
£4,062 GBP
$5,443 USD
View
13 more retailers have this diamond
Prices start from £996 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.

B+
3.15ct Oval
£996 GBP