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Oval|Lab Grown|IGI

1.80ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445036163

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036163

Diamond specifications and retailer prices

From £739 GBP
$990 USD
As of October 31, 2026
Save £2,986 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,725 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036163 or 445036163. Listed at 10 retailers as of October 29, 2026, with prices from £739 to £3,725, a £2,986 spread on the same certified stone. MOH London lists it at £3,725. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036163
Dimensions9.52 × 6.90 × 4.34 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.52 mm6.90 mm1.80 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036163
Side View
Table 61.0%Crown 35.8°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 62.9%

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 31
Current: £3,725 GBP|Low: £739 GBP|High: £3,754 GBP|Avg: £1,729 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£739 GBP
Retailer 2£994 GBP
Retailer 8£1,081 GBP
Retailer 9£1,113 GBP
Retailer 5£1,153 GBP
Retailer 11£1,593 GBP
Retailer 6£1,824 GBP
Retailer 10£2,149 GBP
Retailer 7£2,161 GBP
Retailer 3£2,581 GBP
MOH London£3,725 GBP

16 data points across 11 retailers

10 retailers£739 GBP to £3,725 GBP

A
Cheapest Retailer
-
£739 GBP
$990 USD
A
Retailer 2
-
£994 GBP
$1,332 USD
View
A
Retailer 3
-
£1,081 GBP
$1,449 USD
View
A
Retailer 4
-
£1,113 GBP
$1,491 USD
View
Final sale: no returns
Retailer 5
-
£1,153 GBP
$1,545 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
£1,153 GBP
$1,545 USD
View
B
Retailer 7
-
£1,824 GBP
$2,444 USD
View
B
Retailer 8
-
£2,149 GBP
$2,880 USD
View
B
Retailer 9
-
£2,161 GBP
$2,896 USD
View
Most Expensive
B
MOH London
LG445036163 · Oct 29
£3,725 GBP
View
9 more retailers have this diamond
Prices start from £739 GBPSave up to £2,986 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
£739 GBP