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Oval|Lab Grown|IGI

6.57ct E VS2 Oval Lab Grown Diamond

EX • E/VS2 • IGI LG731571959

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG731571959

Diamond specifications and retailer prices

From £1,056 GBP
$1,415 USD
As of October 29, 2026
Save £8,415 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £9,471 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.57ct lab-grown oval diamond

This 6.57ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731571959 or 731571959. Listed at 22 retailers as of October 29, 2026, with prices from £1,056 to £9,471, a £8,415 spread on the same certified stone. Brilliant Earth lists it at £9,471. 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

6.57
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731571959
Dimensions15.63 × 10.27 × 6.13 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.63 mm10.27 mm6.57 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731571959
Side View
Table 58.0%Crown 37.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 59.7%

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: £9,471 GBP|Low: £754 GBP|High: £9,568 GBP|Avg: £2,853 GBP
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 19£905 GBP
Retailer 4£1,056 GBP
Retailer 9£1,094 GBP
Retailer 14£1,224 GBP
Retailer 3£1,429 GBP
Retailer 17£1,540 GBP
Retailer 12£1,704 GBP
Retailer 6£1,925 GBP
Retailer 5£2,040 GBP
Retailer 2£2,100 GBP
Retailer 10£2,912 GBP
Retailer 18£3,140 GBP
Retailer 8£3,231 GBP
Retailer 13£3,468 GBP
Retailer 16£3,677 GBP
Retailer 15£4,138 GBP
Retailer 11£4,281 GBP
Retailer 7£6,874 GBP
Brilliant Earth£9,471 GBP

43 data points across 19 retailers

22 retailers£1,056 GBP to £9,471 GBP

Retailer 1
-
£905 GBP
$1,213 USD
Price last confirmed 29 days ago
Retailer 2
-
£1,026 GBP
$1,375 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
£1,056 GBP
$1,415 USD
View
Final sale: no returns
Retailer 4
-
£1,094 GBP
$1,466 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£1,224 GBP
$1,640 USD
View
A
Retailer 6
-
£1,429 GBP
$1,915 USD
View
A
Retailer 7
-
£1,540 GBP
$2,063 USD
View
A
Retailer 8
-
£1,704 GBP
View
B+
Retailer 9
-
£1,925 GBP
$2,579 USD
View
B+
Retailer 10
-
£2,040 GBP
$2,733 USD
View
B+
Retailer 11
-
£2,100 GBP
A$4,328 AUD
View
Retailer 12
-
£2,264 GBP
$3,033 USD
View
Price last confirmed 30 days ago
B
Retailer 13
-
£2,912 GBP
View
B
Retailer 14
-
£3,140 GBP
$4,207 USD
View
B
Retailer 15
-
£3,231 GBP
$4,329 USD
View
B
Retailer 16
-
£3,468 GBP
View
Retailer 17
-
£3,677 GBP
A$7,579 AUD
View
Price last confirmed 22 days ago
B
Retailer 18
-
£4,138 GBP
$5,545 USD
View
B
Retailer 19
-
£4,281 GBP
$5,737 USD
View
B
Retailer 20
-
£6,493 GBP
$8,700 USD
View
B
Retailer 21
-
£6,874 GBP
$9,210 USD
View
Most Expensive
B
Brilliant Earth
20288454A · Oct 29
£9,471 GBP
$12,690 USD
View
21 more retailers have this diamond
Prices start from £1,056 GBPSave up to £8,415 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
6.57ct Oval
£1,056 GBP