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Oval|Lab Grown|IGI

1.51ct E VVS1 Oval Lab Grown Diamond

EX • E/VVS1 • IGI LG759507528

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG759507528

Diamond specifications and retailer prices

From £189 GBP
$252 USD
As of October 29, 2026
Save £1,360 GBP (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,050 GBP at Brilliant Earth · As of September 24, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG759507528 or 759507528. Listed at 25 retailers as of October 29, 2026, with a 719% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759507528
Dimensions6.49 × 6.49 × 4.02 mm
L/W Ratio1.00
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
Top View
6.49 mm6.49 mm1.51 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759507528
Side View
Table 60.0%Crown 33.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 61.9%

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: £446 GBP|Low: £180 GBP|High: £1,022 GBP|Avg: £515 GBP|+3.3%
Retailer 1
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October 29, 2026
Retailer 10£189 GBP
Retailer 12£211 GBP
Retailer 20£220 GBP
Retailer 5£235 GBP
Retailer 13£235 GBP
Retailer 16£250 GBP
Retailer 18£357 GBP
Retailer 6£393 GBP
Retailer 17£404 GBP
Retailer 22£420 GBP
Retailer 4£433 GBP
Retailer 1£446 GBP
Retailer 2£467 GBP
Retailer 21£468 GBP
Retailer 19£548 GBP
Retailer 8£624 GBP
Retailer 9£755 GBP
Retailer 11£794 GBP
Retailer 15£899 GBP
Retailer 3£947 GBP
Retailer 14£950 GBP
Retailer 7£1,022 GBP

32 data points across 22 retailers

25 retailers£189 GBP to £1,549 GBP

A
Cheapest Retailer
-
£189 GBP
$252 USD
A
Retailer 2
-
£211 GBP
$281 USD
View
Final sale: no returns
A
Retailer 3
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£220 GBP
$293 USD
View
A
Retailer 4
-
£235 GBP
$313 USD
View
A
Retailer 5
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£235 GBP
$313 USD
View
A
Retailer 6
-
£250 GBP
View
A
Retailer 7
-
£357 GBP
$475 USD
View
A
Retailer 8
-
£393 GBP
$524 USD
View
A
Retailer 9
-
£404 GBP
ZAR 8,689 ZAR
View
A
Retailer 10
-
£433 GBP
$576 USD
View
A
Retailer 11
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£446 GBP
View
B+
Retailer 12
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£467 GBP
$622 USD
View
B+
Retailer 13
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£468 GBP
A$958 AUD
View
B+
Retailer 14
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£548 GBP
A$1,122 AUD
View
B+
Retailer 15
-
£624 GBP
$831 USD
View
B+
Retailer 16
-
£755 GBP
$1,006 USD
View
B+
Retailer 17
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£761 GBP
$1,014 USD
View
B
Retailer 18
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£794 GBP
$1,058 USD
View
B
Retailer 19
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£899 GBP
$1,197 USD
View
B
Retailer 20
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£917 GBP
$1,221 USD
View
Retailer 21
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£947 GBP
View
Price last confirmed 10 days ago
Retailer 22
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£950 GBP
A$1,947 AUD
View
Price last confirmed 22 days ago
B
Retailer 23
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£1,022 GBP
$1,361 USD
View
B
Retailer 24
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£1,549 GBP
$2,063 USD
View
Most Expensive
Brilliant Earth
17863808A · Sep 24
£2,050 GBP
$2,730 USD
View
Price last confirmed 35 days ago
24 more retailers have this diamond
Prices start from £189 GBPSave up to £1,360 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
1.51ct Oval
£189 GBP