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Oval|Lab Grown|IGI

1.58ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037592

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037592

Diamond specifications and retailer prices

From £627 GBP
$840 USD
As of October 29, 2026
Save £2,653 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,280 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown oval diamond

This 1.58ct 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 LG445037592 or 445037592. Listed at 10 retailers as of October 29, 2026, with prices from £627 to £3,280, a £2,653 spread on the same certified stone. MOH London lists it at £3,280. 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

1.58
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037592
Dimensions9.29 × 6.67 × 4.14 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.67 mm1.58 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037592
Side View
Table 55.5%Crown 34.4°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.1%

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: £3,280 GBP|Low: £627 GBP|High: £3,305 GBP|Avg: £1,627 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3£627 GBP
Retailer 2£875 GBP
Retailer 6£980 GBP
Retailer 4£1,015 GBP
Retailer 8£1,443 GBP
Retailer 5£1,611 GBP
Retailer 7£2,000 GBP
Retailer 9£2,272 GBP
MOH London£3,280 GBP

14 data points across 9 retailers

10 retailers£627 GBP to £3,280 GBP

A
Cheapest Retailer
-
£627 GBP
$840 USD
B+
Retailer 2
-
£875 GBP
$1,173 USD
View
B+
Retailer 3
-
£952 GBP
$1,276 USD
View
B+
Retailer 4
-
£980 GBP
$1,313 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,015 GBP
$1,360 USD
View
Retailer 6
-
£1,015 GBP
$1,360 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£1,611 GBP
$2,159 USD
View
B
Retailer 8
-
£1,903 GBP
$2,550 USD
View
B
Retailer 9
-
£2,000 GBP
$2,680 USD
View
Most Expensive
B
MOH London
LG445037592 · Oct 29
£3,280 GBP
View
9 more retailers have this diamond
Prices start from £627 GBPSave up to £2,653 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
1.58ct Oval
£627 GBP