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Oval|Lab Grown|IGI

1.80ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445037555

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037555

Diamond specifications and retailer prices

From €877 EUR
$980 USD
As of October 31, 2026
Save €3,566 EUR (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,444 EUR at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037555 or 445037555. Listed at 12 retailers as of October 31, 2026, with prices from €877 to €4,444, a €3,566 spread on the same certified stone. MOH London lists it at €4,444. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037555
Dimensions9.59 × 6.93 × 4.35 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.59 mm6.93 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037555
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,444 EUR|Low: €877 EUR|High: €4,497 EUR|Avg: €2,041 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 8€877 EUR
Retailer 7€1,192 EUR
Retailer 12€1,297 EUR
Retailer 13€1,335 EUR
Retailer 9€1,383 EUR
Retailer 14€1,383 EUR
Retailer 3€1,535 EUR
Retailer 2€1,893 EUR
Retailer 5€1,910 EUR
Retailer 10€2,188 EUR
Retailer 4€2,578 EUR
Retailer 11€2,592 EUR
Retailer 6€3,960 EUR
MOH London€4,444 EUR

39 data points across 14 retailers

12 retailers€877 EUR to €4,444 EUR

A
Cheapest Retailer
-
€877 EUR
$980 USD
A
Retailer 2
-
€1,192 EUR
$1,332 USD
View
B+
Retailer 3
-
€1,297 EUR
$1,449 USD
View
B+
Retailer 4
-
€1,335 EUR
$1,491 USD
View
Final sale: no returns
Retailer 5
-
€1,383 EUR
$1,545 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,383 EUR
$1,545 USD
View
B+
Retailer 7
-
€1,535 EUR
$1,715 USD
View
B+
Retailer 8
-
€1,893 EUR
£1,665 GBP
View
B
Retailer 9
-
€2,188 EUR
$2,444 USD
View
B
Retailer 10
-
€2,578 EUR
$2,880 USD
View
B
Retailer 11
-
€2,592 EUR
$2,896 USD
View
Most Expensive
B
MOH London
LG445037555 · Nov 1
€4,444 EUR
£3,909 GBP
View
11 more retailers have this diamond
Prices start from €877 EURSave up to €3,566 EUR

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
€877 EUR