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Oval|Lab Grown|IGI

1.70ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG451057553

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057553

Diamond specifications and retailer prices

From €761 EUR
$850 USD
As of October 29, 2026
Save €3,104 EUR (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,865 EUR at MOH London · As of October 25, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057553 or 451057553. Listed at 9 retailers as of October 25, 2026, with prices from €761 to €3,865, a €3,104 spread on the same certified stone. MOH London lists it at €3,865. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057553
Dimensions9.30 × 6.77 × 4.23 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.30 mm6.77 mm1.70 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057553
Side View
Table 55.0%Crown 33.9°Girdle: MED-VTKPavilion 41.4°Culet: NoneDepth 62.5%

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: €3,865 EUR|Low: €761 EUR|High: €3,912 EUR|Avg: €1,894 EUR|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 3€761 EUR
Retailer 2€1,036 EUR
Retailer 7€1,127 EUR
Retailer 4€1,201 EUR
Retailer 9€1,716 EUR
Retailer 5€1,909 EUR
Retailer 6€2,252 EUR
Retailer 8€2,367 EUR
Retailer 10€2,689 EUR
MOH London€3,865 EUR

11 data points across 10 retailers

9 retailers€761 EUR to €3,865 EUR

A
Cheapest Retailer
-
€761 EUR
$850 USD
B+
Retailer 2
-
€1,036 EUR
$1,157 USD
View
B+
Retailer 3
-
€1,127 EUR
$1,259 USD
View
Retailer 4
-
€1,201 EUR
$1,342 USD
View
Price last confirmed 18 days ago
B+
Retailer 5
-
€1,201 EUR
$1,342 USD
View
B
Retailer 6
-
€1,909 EUR
$2,133 USD
View
B
Retailer 7
-
€2,252 EUR
$2,516 USD
View
B
Retailer 8
-
€2,367 EUR
$2,644 USD
View
Most Expensive
B
MOH London
LG451057553 · Oct 25
€3,865 EUR
£3,400 GBP
View
8 more retailers have this diamond
Prices start from €761 EURSave up to €3,104 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
€761 EUR