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Oval|Lab Grown|IGI

1.54ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG436047227

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436047227

Diamond specifications and retailer prices

From £627 GBP
$840 USD
As of October 29, 2026
6 retailers carry this diamond
Most expensive: £1,951 GBP at Friendly Diamonds · As of September 30, 2026
View at Friendly Diamonds

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436047227 or 436047227. Listed at 6 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436047227
Dimensions9.56 × 6.48 × 3.93 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.56 mm6.48 mm1.54 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436047227
Side View
Table 57.0%Crown 33.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: £1,951 GBP|Low: £627 GBP|High: £3,220 GBP|Avg: £1,515 GBP
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 29, 2026
Retailer 5£627 GBP
Retailer 3£955 GBP
Retailer 4£990 GBP
Retailer 7£1,412 GBP
Retailer 6£1,555 GBP
Friendly Diamonds£1,951 GBP
Retailer 8£2,216 GBP
Retailer 2£3,220 GBP

4 data points across 8 retailers

6 retailers

A
Cheapest Retailer
-
£627 GBP
$840 USD
Retailer 2
-
£854 GBP
$1,144 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£928 GBP
$1,244 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£976 GBP
$1,308 USD
View
Price last confirmed 31 days ago
Retailer 5
-
£1,856 GBP
$2,487 USD
View
Price last confirmed 33 days ago
Most Expensive
Friendly Diamonds
1587741 · Sep 30
£1,951 GBP
$2,614 USD
View
Price last confirmed 30 days ago
5 more retailers have this diamond
Prices start from £627 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
1.54ct Oval
£627 GBP