Oval|Lab Grown|IGI

1.74ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445039678

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445039678

Diamond specifications and retailer prices

From €779 EUR
$870 USD
As of October 29, 2026
Save €1,729 EUR (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,322 EUR at MOH London · As of October 21, 2026
View at MOH London

About this 1.74ct lab-grown oval diamond

This 1.74ct 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 LG445039678 or 445039678. Listed at 12 retailers as of October 29, 2026, with a 222% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.74
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039678
Dimensions9.73 × 6.86 × 4.21 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.73 mm6.86 mm1.74 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039678
Side View
Table 59.5%Crown 33.9°Girdle: MED-THKPavilion 41.7°Culet: NoneDepth 61.4%

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 29
Current: €4,322 EUR|Low: €779 EUR|High: €4,356 EUR|Avg: €1,970 EUR|+0.6%
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
October 30, 2026
Retailer 8€779 EUR
Retailer 7€1,154 EUR
Retailer 12€1,255 EUR
Retailer 13€1,291 EUR
Retailer 9€1,338 EUR
Retailer 14€1,338 EUR
Retailer 3€1,490 EUR
Retailer 2€1,836 EUR
Retailer 5€1,855 EUR
Retailer 10€2,118 EUR
Retailer 4€2,494 EUR
Retailer 11€2,508 EUR
Retailer 6€3,831 EUR
MOH London€4,322 EUR

37 data points across 14 retailers

12 retailers€779 EUR to €2,508 EUR

A
Cheapest Retailer
-
€779 EUR
$870 USD
A
Retailer 2
-
€1,154 EUR
$1,289 USD
View
A
Retailer 3
-
€1,255 EUR
$1,402 USD
View
A
Retailer 4
-
€1,291 EUR
$1,442 USD
View
Final sale: no returns
Retailer 5
-
€1,338 EUR
$1,495 USD
View
Price last confirmed 20 days ago
A
Retailer 6
-
€1,338 EUR
$1,495 USD
View
B+
Retailer 7
-
€1,490 EUR
$1,665 USD
View
B+
Retailer 8
-
€1,836 EUR
£1,615 GBP
View
B+
Retailer 9
-
€2,118 EUR
$2,366 USD
View
B
Retailer 10
-
€2,494 EUR
$2,786 USD
View
B
Retailer 11
-
€2,508 EUR
$2,802 USD
View
Most Expensive
MOH London
LG445039678 · Oct 21
€4,322 EUR
£3,802 GBP
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from €779 EURSave up to €1,729 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
1.74ct Oval
€779 EUR