Oval|Lab Grown|IGI

1.57ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG773622802

Certificate IGI LG773622802

Diamond specifications and retailer prices

From £263 GBP
$352 USD
As of October 30, 2026
Save £685 GBP (72%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £948 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.57ct lab-grown oval diamond

This 1.57ct 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 LG773622802 or 773622802. Listed at 3 retailers as of October 29, 2026, with prices from £263 to £948, a £685 spread on the same certified stone. Brilliant Earth lists it at £948. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG773622802
Dimensions9.44 × 6.32 × 4.11 mm
L/W Ratio1.49
Top View
9.44 mm6.32 mm1.57 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773622802
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 65.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £948 GBP|Low: £263 GBP|High: £978 GBP|Avg: £520 GBP|-1.6%
Brilliant Earth
Retailer 2
Retailer 3
October 23, 2026
Retailer 3£263 GBP
Retailer 2£354 GBP
Brilliant Earth£948 GBP

12 data points across 3 retailers

3 retailers£263 GBP to £948 GBP

B+
Cheapest Retailer
-
£263 GBP
$352 USD
Retailer 2
-
£354 GBP
€452 EUR
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
18380887A · Oct 29
£948 GBP
$1,270 USD
View
2 more retailers have this diamond
Prices start from £263 GBPSave up to £685 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+
1.57ct Oval
£263 GBP