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Oval|Lab Grown|IGI

1.70ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447099060

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447099060

Diamond specifications and retailer prices

From €752 EUR
$840 USD
As of October 31, 2026
Save €4,079 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,831 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 LG447099060 or 447099060. Listed at 11 retailers as of October 31, 2026, with prices from €752 to €4,831, a €4,079 spread on the same certified stone. MOH London lists it at €4,831. 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 angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099060
Dimensions9.26 × 6.89 × 4.29 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.26 mm6.89 mm1.70 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099060
Side View
Table 57.5%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

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: €4,831 EUR|Low: €752 EUR|High: €4,895 EUR|Avg: €2,400 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 1, 2026
Retailer 7€752 EUR
Retailer 6€1,458 EUR
Retailer 11€1,586 EUR
Retailer 12€1,633 EUR
Retailer 5€1,641 EUR
Retailer 8€1,692 EUR
Retailer 13€1,844 EUR
Retailer 3€2,274 EUR
Retailer 9€2,659 EUR
Retailer 2€2,916 EUR
Retailer 10€3,170 EUR
MOH London€4,831 EUR
Retailer 4€4,843 EUR

14 data points across 13 retailers

11 retailers€752 EUR to €4,831 EUR

A
Cheapest Retailer
-
€752 EUR
$840 USD
B+
Retailer 2
-
€1,458 EUR
$1,629 USD
View
B+
Retailer 3
-
€1,586 EUR
$1,772 USD
View
B+
Retailer 4
-
€1,633 EUR
$1,824 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,692 EUR
$1,890 USD
View
Retailer 6
-
€1,692 EUR
$1,890 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,844 EUR
$2,060 USD
View
B
Retailer 8
-
€2,659 EUR
$2,971 USD
View
B
Retailer 9
-
€2,916 EUR
$3,258 USD
View
B
Retailer 10
-
€3,170 EUR
$3,542 USD
View
Most Expensive
B
MOH London
LG447099060 · Nov 1
€4,831 EUR
£4,250 GBP
View
10 more retailers have this diamond
Prices start from €752 EURSave up to €4,079 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