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Oval|Lab Grown|IGI

1.81ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447098986

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447098986

Diamond specifications and retailer prices

From £746 GBP
$1,000 USD
As of October 29, 2026
Save £3,126 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,872 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown oval diamond

This 1.81ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447098986 or 447098986. Listed at 11 retailers as of October 29, 2026, with prices from £746 to £3,872, a £3,126 spread on the same certified stone. MOH London lists it at £3,872. 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

1.81
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447098986
Dimensions9.80 × 6.90 × 4.17 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.80 mm6.90 mm1.81 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447098986
Side View
Table 62.5%Crown 33.3°Girdle: STK-THKPavilion 41°Culet: NoneDepth 60.4%

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: £3,872 GBP|Low: £746 GBP|High: £3,903 GBP|Avg: £2,074 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£746 GBP
Retailer 3£1,163 GBP
Retailer 7£1,302 GBP
Retailer 5£1,349 GBP
Retailer 8£1,474 GBP
Retailer 9£1,826 GBP
Retailer 6£2,123 GBP
Retailer 2£2,385 GBP
Retailer 10£3,861 GBP
MOH London£3,872 GBP

16 data points across 10 retailers

11 retailers£746 GBP to £3,872 GBP

A
Cheapest Retailer
-
£746 GBP
$1,000 USD
B+
Retailer 2
-
£1,163 GBP
$1,558 USD
View
B+
Retailer 3
-
£1,265 GBP
$1,695 USD
View
B+
Retailer 4
-
£1,302 GBP
$1,744 USD
View
Final sale: no returns
Retailer 5
-
£1,349 GBP
$1,807 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
£1,349 GBP
$1,807 USD
View
B+
Retailer 7
-
£1,474 GBP
$1,975 USD
View
B
Retailer 8
-
£2,123 GBP
$2,844 USD
View
B
Retailer 9
-
£2,385 GBP
$3,195 USD
View
B
Retailer 10
-
£2,528 GBP
$3,387 USD
View
Most Expensive
B
MOH London
LG447098986 · Oct 29
£3,872 GBP
View
10 more retailers have this diamond
Prices start from £746 GBPSave up to £3,126 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
1.81ct Oval
£746 GBP