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Oval|Lab Grown|IGI

1.61ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG440012567

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012567

Diamond specifications and retailer prices

From £747 GBP
As of November 6, 2026
Save £3,041 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,788 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.61ct lab-grown oval diamond

This 1.61ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012567 or 440012567. Listed at 12 retailers as of November 5, 2026, with prices from £747 to £3,788, a £3,041 spread on the same certified stone. MOH London lists it at £3,788. 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

1.61
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012567
Dimensions9.10 × 6.55 × 4.19 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.10 mm6.55 mm1.61 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012567
Side View
Table 60.5%Crown 36.4°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.0%

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: Nov 6
Current: £3,788 GBP|Low: £747 GBP|High: £3,844 GBP|Avg: £1,913 GBP|-1.3%
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
Retailer 14
November 6, 2026
Retailer 9£747 GBP
Retailer 8£1,147 GBP
Retailer 13£1,248 GBP
Retailer 14£1,284 GBP
Retailer 3£1,330 GBP
Retailer 10£1,330 GBP
Retailer 4£1,457 GBP
Retailer 5£1,798 GBP
Retailer 2£1,865 GBP
Retailer 11£2,095 GBP
Retailer 7£2,352 GBP
Retailer 12£2,493 GBP
MOH London£3,788 GBP
Retailer 6£3,807 GBP

37 data points across 14 retailers

12 retailers£747 GBP to £3,788 GBP

A
Cheapest Retailer
-
£747 GBP
B+
Retailer 2
-
£1,147 GBP
View
B+
Retailer 3
-
£1,248 GBP
View
B+
Retailer 4
-
£1,284 GBP
View
Final sale: no returns
Retailer 5
-
£1,330 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,330 GBP
View
B
Retailer 7
-
£1,457 GBP
View
B
Retailer 8
-
£1,865 GBP
View
B
Retailer 9
-
£2,095 GBP
View
B
Retailer 10
-
£2,352 GBP
View
B
Retailer 11
-
£2,493 GBP
View
Most Expensive
B
MOH London
LG440012567 · Nov 5
£3,788 GBP
View
11 more retailers have this diamond
Prices start from £747 GBPSave up to £3,041 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
1.61ct Oval
£747 GBP