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Oval|Lab Grown|IGI

1.80ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG436074594

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436074594

Diamond specifications and retailer prices

From £676 GBP
$900 USD
As of October 29, 2026
Save £2,982 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,657 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown oval diamond

This 1.8ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074594 or 436074594. Listed at 10 retailers as of October 29, 2026, with prices from £676 to £3,657, a £2,982 spread on the same certified stone. MOH London lists it at £3,657. 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

1.80
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074594
Dimensions9.49 × 7.05 × 4.24 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.49 mm7.05 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074594
Side View
Table 57.5%Crown 34.1°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 60.1%

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: £3,657 GBP|Low: £676 GBP|High: £3,682 GBP|Avg: £1,833 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4£676 GBP
Retailer 2£1,098 GBP
Retailer 8£1,195 GBP
Retailer 9£1,229 GBP
Retailer 5£1,274 GBP
Retailer 11£1,738 GBP
Retailer 6£2,009 GBP
Retailer 10£2,312 GBP
Retailer 7£2,388 GBP
Retailer 3£2,851 GBP
MOH London£3,657 GBP

13 data points across 11 retailers

10 retailers£676 GBP to £3,657 GBP

A
Cheapest Retailer
-
£676 GBP
$900 USD
B+
Retailer 2
-
£1,098 GBP
$1,462 USD
View
B+
Retailer 3
-
£1,195 GBP
$1,591 USD
View
B+
Retailer 4
-
£1,229 GBP
$1,637 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,274 GBP
$1,696 USD
View
Retailer 6
-
£1,274 GBP
$1,696 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£2,009 GBP
$2,675 USD
View
B
Retailer 8
-
£2,312 GBP
$3,079 USD
View
B
Retailer 9
-
£2,388 GBP
$3,180 USD
View
Most Expensive
B
MOH London
LG436074594 · Oct 29
£3,657 GBP
View
9 more retailers have this diamond
Prices start from £676 GBPSave up to £2,982 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
1.80ct Oval
£676 GBP