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Oval|Lab Grown|IGI

1.54ct H SI2 Oval Lab Grown Diamond

ID • H/SI2 • IGI LG436046100

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436046100

Diamond specifications and retailer prices

From £634 GBP
$850 USD
As of October 29, 2026
Save £2,810 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,444 GBP at MOH London · As of October 27, 2026
View at MOH London

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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046100 or 436046100. Listed at 11 retailers as of October 27, 2026, with prices from £634 to £3,444, a £2,810 spread on the same certified stone. MOH London lists it at £3,444. 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
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046100
Dimensions9.16 × 6.46 × 3.96 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.16 mm6.46 mm1.54 ctH / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046100
Side View
Table 57.0%Crown 35.6°Girdle: STK-THKPavilion 40°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,444 GBP|Low: £634 GBP|High: £3,486 GBP|Avg: £1,568 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 7£634 GBP
Retailer 6£923 GBP
Retailer 11£1,004 GBP
Retailer 12£1,034 GBP
Retailer 8£1,071 GBP
Retailer 13£1,071 GBP
Retailer 4£1,509 GBP
Retailer 2£1,597 GBP
Retailer 9£1,696 GBP
Retailer 10£2,007 GBP
Retailer 3£2,051 GBP
Retailer 5£2,396 GBP
MOH London£3,444 GBP

37 data points across 13 retailers

11 retailers£634 GBP to £3,444 GBP

A
Cheapest Retailer
-
£634 GBP
$850 USD
B+
Retailer 2
-
£923 GBP
$1,237 USD
View
B+
Retailer 3
-
£1,004 GBP
$1,345 USD
View
B+
Retailer 4
-
£1,034 GBP
$1,385 USD
View
Final sale: no returns
Retailer 5
-
£1,071 GBP
$1,435 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£1,071 GBP
$1,435 USD
View
B
Retailer 7
-
£1,597 GBP
View
B
Retailer 8
-
£1,696 GBP
$2,273 USD
View
B
Retailer 9
-
£2,007 GBP
$2,689 USD
View
B
Retailer 10
-
£2,051 GBP
$2,748 USD
View
Most Expensive
B
MOH London
LG436046100 · Oct 27
£3,444 GBP
View
10 more retailers have this diamond
Prices start from £634 GBPSave up to £2,810 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
£634 GBP