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Oval|Lab Grown|IGI

1.71ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG756594792

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG756594792

Diamond specifications and retailer prices

From €482 EUR
A$828 AUD
As of October 31, 2026
3 retailers carry this diamond
Most expensive: €920 EUR at Rare Carat · As of September 6, 2026
View at Rare Carat

About this 1.71ct lab-grown oval diamond

This 1.71ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG756594792 or 756594792. Listed at 3 retailers as of October 31, 2026. 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

1.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756594792
Dimensions9.94 × 6.73 × 4.00 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.94 mm6.73 mm1.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756594792
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 59.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €920 EUR|Low: €252 EUR|High: €1,182 EUR|Avg: €562 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10€252 EUR
Retailer 8€309 EUR
Retailer 3€366 EUR
Retailer 5€403 EUR
Retailer 7€453 EUR
Retailer 2€482 EUR
Retailer 9€513 EUR
Retailer 6€561 EUR
Retailer 11€744 EUR
Rare Carat€920 EUR
Retailer 4€1,182 EUR

3 data points across 11 retailers

3 retailers

Retailer 1
-
€252 EUR
HK$2,200 HKD
Price last confirmed 58 days ago
B+
Retailer 2
-
€482 EUR
A$828 AUD
View
Most Expensive
Rare Carat
128737-C · Sep 6
€920 EUR
$1,027 USD
View
Price last confirmed 56 days ago
2 more retailers have this diamond
Prices start from €482 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.

B+
1.71ct Oval
€482 EUR