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Oval|Lab Grown|IGI

1.80ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451056888

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056888

Diamond specifications and retailer prices

From €832 EUR
$930 USD
As of October 31, 2026
Save €4,277 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €5,110 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 LG451056888 or 451056888. Listed at 11 retailers as of October 31, 2026, with prices from €832 to €5,110, a €4,277 spread on the same certified stone. MOH London lists it at €5,110. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056888
Dimensions9.69 × 6.92 × 4.27 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.69 mm6.92 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056888
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.7%

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: €5,110 EUR|Low: €832 EUR|High: €5,178 EUR|Avg: €2,354 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
November 2, 2026
Retailer 8€832 EUR
Retailer 7€1,542 EUR
Retailer 12€1,678 EUR
Retailer 9€1,789 EUR
Retailer 13€1,789 EUR
Retailer 5€1,822 EUR
Retailer 3€1,942 EUR
Retailer 4€2,393 EUR
Retailer 2€2,448 EUR
Retailer 10€2,810 EUR
Retailer 6€3,084 EUR
Retailer 11€3,354 EUR
MOH London€5,110 EUR

38 data points across 13 retailers

11 retailers€832 EUR to €5,110 EUR

A
Cheapest Retailer
-
€832 EUR
$930 USD
B+
Retailer 2
-
€1,542 EUR
$1,723 USD
View
B+
Retailer 3
-
€1,678 EUR
$1,875 USD
View
Retailer 4
-
€1,789 EUR
$1,999 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
€1,789 EUR
$1,999 USD
View
B+
Retailer 6
-
€1,942 EUR
$2,170 USD
View
B+
Retailer 7
-
€2,448 EUR
£2,154 GBP
View
B
Retailer 8
-
€2,810 EUR
$3,139 USD
View
B
Retailer 9
-
€3,084 EUR
$3,446 USD
View
B
Retailer 10
-
€3,354 EUR
$3,747 USD
View
Most Expensive
B
MOH London
LG451056888 · Nov 1
€5,110 EUR
£4,495 GBP
View
10 more retailers have this diamond
Prices start from €832 EURSave up to €4,277 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
€832 EUR