Oval|Lab Grown|IGI

1.56ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG586342903

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG586342903

Diamond specifications and retailer prices

From £513 GBP
$688 USD
As of October 30, 2026
17 retailers carry this diamond
Most expensive: £970 GBP at Brilliant Earth · As of October 15, 2026
View at Brilliant Earth

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG586342903 or 586342903. Listed at 17 retailers as of October 30, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586342903
Dimensions9.30 × 6.53 × 4.08 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.30 mm6.53 mm1.56 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586342903
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £970 GBP|Low: £130 GBP|High: £1,000 GBP|Avg: £502 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
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Retailer 11
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Retailer 20
October 17, 2026
Retailer 19£158 GBP
Retailer 9£177 GBP
Retailer 5£196 GBP
Retailer 20£196 GBP
Retailer 3£265 GBP
Retailer 17£265 GBP
Retailer 11£315 GBP
Retailer 16£334 GBP
Retailer 13£342 GBP
Retailer 2£398 GBP
Retailer 4£455 GBP
Retailer 14£478 GBP
Retailer 15£513 GBP
Retailer 7£669 GBP
Retailer 12£709 GBP
Retailer 6£771 GBP
Retailer 10£779 GBP
Retailer 18£794 GBP
Retailer 8£919 GBP
Brilliant Earth£970 GBP

28 data points across 20 retailers

17 retailers

Retailer 1
-
£158 GBP
$212 USD
Price last confirmed 20 days ago
Retailer 2
-
£184 GBP
$246 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£196 GBP
$263 USD
View
Price last confirmed 28 days ago
Retailer 4
-
£196 GBP
$263 USD
View
Price last confirmed 18 days ago
Retailer 5
-
£265 GBP
$355 USD
View
Price last confirmed 16 days ago
Retailer 6
-
£265 GBP
View
Price last confirmed 17 days ago
Retailer 7
-
£315 GBP
HK$3,300 HKD
View
Price last confirmed 19 days ago
Retailer 8
-
£334 GBP
ZAR 7,229 ZAR
View
Price last confirmed 17 days ago
Retailer 9
-
£398 GBP
$533 USD
View
Price last confirmed 13 days ago
Retailer 10
-
£478 GBP
$640 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
£513 GBP
$688 USD
View
Retailer 12
-
£630 GBP
$844 USD
View
Price last confirmed 23 days ago
Retailer 13
-
£669 GBP
$897 USD
View
Price last confirmed 18 days ago
Retailer 14
-
£709 GBP
$950 USD
View
Price last confirmed 87 days ago
Retailer 15
-
£794 GBP
View
Price last confirmed 19 days ago
Retailer 16
-
£919 GBP
$1,231 USD
View
Price last confirmed 16 days ago
Most Expensive
Brilliant Earth
16711897A · Oct 15
£970 GBP
$1,300 USD
View
Price last confirmed 15 days ago
16 more retailers have this diamond
Prices start from £513 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+
1.56ct Oval
£513 GBP