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Oval|Lab Grown|IGI

1.04ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG407997043

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407997043

Diamond specifications and retailer prices

From £455 GBP
$610 USD
As of October 30, 2026
Save £2,581 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,036 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.04ct lab-grown oval diamond

This 1.04ct lab-grown oval sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407997043 or 407997043. Listed at 11 retailers as of October 25, 2026, with prices from £455 to £3,036, a £2,581 spread on the same certified stone. MOH London lists it at £3,036. 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

1.04
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407997043
Dimensions7.85 × 5.78 × 3.62 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.85 mm5.78 mm1.04 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407997043
Side View
Table 57.0%Crown 34.6°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 62.6%

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 30
Current: £3,036 GBP|Low: £455 GBP|High: £3,073 GBP|Avg: £1,385 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
October 30, 2026
Retailer 2£455 GBP
Retailer 4£771 GBP
Retailer 7£863 GBP
Retailer 5£894 GBP
Retailer 8£894 GBP
Retailer 9£1,022 GBP
Retailer 11£1,281 GBP
Retailer 6£1,426 GBP
Retailer 10£1,868 GBP
Retailer 3£2,560 GBP
MOH London£3,036 GBP

13 data points across 11 retailers

11 retailers£455 GBP to £3,036 GBP

A
Cheapest Retailer
-
£455 GBP
$610 USD
B+
Retailer 2
-
£771 GBP
$1,033 USD
View
B+
Retailer 3
-
£838 GBP
$1,123 USD
View
B+
Retailer 4
-
£863 GBP
$1,156 USD
View
Final sale: no returns
Retailer 5
-
£894 GBP
$1,198 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£894 GBP
$1,198 USD
View
B
Retailer 7
-
£1,022 GBP
$1,370 USD
View
B
Retailer 8
-
£1,426 GBP
$1,911 USD
View
B
Retailer 9
-
£1,676 GBP
$2,245 USD
View
B
Retailer 10
-
£1,868 GBP
$2,503 USD
View
Most Expensive
B
MOH London
LG407997043 · Oct 25
£3,036 GBP
View
10 more retailers have this diamond
Prices start from £455 GBPSave up to £2,581 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
1.04ct Oval
£455 GBP