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Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445036783

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036783

Diamond specifications and retailer prices

From €752 EUR
$840 USD
As of October 28, 2026
Save €3,450 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,201 EUR at MOH London · As of November 1, 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 LG445036783 or 445036783. Listed at 12 retailers as of October 28, 2026, with prices from €752 to €4,201, a €3,450 spread on the same certified stone. MOH London lists it at €4,201. 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 angle34.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036783
Dimensions9.14 × 6.85 × 4.34 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.14 mm6.85 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036783
Side View
Table 57.0%Crown 34.5°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 63.4%

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 28
Current: €4,201 EUR|Low: €752 EUR|High: €4,253 EUR|Avg: €1,930 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 9€752 EUR
Retailer 8€1,128 EUR
Retailer 13€1,226 EUR
Retailer 14€1,262 EUR
Retailer 3€1,308 EUR
Retailer 10€1,308 EUR
Retailer 7€1,463 EUR
Retailer 2€1,790 EUR
Retailer 5€1,817 EUR
Retailer 11€2,072 EUR
Retailer 4€2,437 EUR
Retailer 12€2,452 EUR
Retailer 6€3,745 EUR
MOH London€4,201 EUR

37 data points across 14 retailers

12 retailers€752 EUR to €4,201 EUR

A
Cheapest Retailer
-
€752 EUR
$840 USD
A
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
A
Retailer 5
-
€1,308 EUR
$1,461 USD
View
Retailer 6
-
€1,308 EUR
$1,461 USD
View
Price last confirmed 20 days ago
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
LG445036783 · Nov 1
€4,201 EUR
£3,696 GBP
View
11 more retailers have this diamond
Prices start from €752 EURSave up to €3,450 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