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Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447000394

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000394

Diamond specifications and retailer prices

From €752 EUR
$840 USD
As of October 31, 2026
Save €3,472 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,224 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown oval diamond

This 1.7ct 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 LG447000394 or 447000394. Listed at 12 retailers as of October 29, 2026, with prices from €752 to €4,224, a €3,472 spread on the same certified stone. MOH London lists it at €4,224. 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

1.70
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000394
Dimensions9.20 × 6.76 × 4.33 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.20 mm6.76 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000394
Side View
Table 57.0%Crown 33.7°Girdle: MED-THKPavilion 42.1°Culet: NoneDepth 64.1%

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: €4,224 EUR|Low: €752 EUR|High: €4,253 EUR|Avg: €1,924 EUR|+0.5%
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€752 EUR
Retailer 7€1,128 EUR
Retailer 12€1,226 EUR
Retailer 13€1,262 EUR
Retailer 3€1,308 EUR
Retailer 9€1,308 EUR
Retailer 14€1,463 EUR
Retailer 2€1,790 EUR
Retailer 5€1,817 EUR
Retailer 10€2,072 EUR
Retailer 4€2,437 EUR
Retailer 11€2,452 EUR
Retailer 6€3,745 EUR
MOH London€4,224 EUR

38 data points across 14 retailers

12 retailers€752 EUR to €4,224 EUR

A
Cheapest Retailer
-
€752 EUR
$840 USD
B+
Retailer 2
-
€1,128 EUR
$1,260 USD
View
A
Retailer 3
-
€1,226 EUR
$1,370 USD
View
A
Retailer 4
-
€1,262 EUR
$1,410 USD
View
Final sale: no returns
Retailer 5
-
€1,308 EUR
$1,461 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
€1,308 EUR
$1,461 USD
View
B+
Retailer 7
-
€1,463 EUR
$1,635 USD
View
B+
Retailer 8
-
€1,790 EUR
£1,574 GBP
View
B+
Retailer 9
-
€2,072 EUR
$2,315 USD
View
B
Retailer 10
-
€2,437 EUR
$2,723 USD
View
B
Retailer 11
-
€2,452 EUR
$2,739 USD
View
Most Expensive
B
MOH London
LG447000394 · Oct 29
€4,224 EUR
£3,716 GBP
View
11 more retailers have this diamond
Prices start from €752 EURSave up to €3,472 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
1.70ct Oval
€752 EUR