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Oval|Lab Grown|IGI

1.67ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG520207884

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG520207884

Diamond specifications and retailer prices

From $1,550 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,550 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.67ct lab-grown oval diamond

This 1.67ct 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 LG520207884 or 520207884. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.67
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520207884
Dimensions9.42 × 6.70 × 4.18 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.42 mm6.70 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520207884
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,550 USD|Low: $627 USD|High: $1,610 USD|Avg: $998 USD|-1.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
January 18, 2026
Retailer 2$627 USD
Retailer 4$775 USD
Retailer 3$925 USD
Retailer 5$1,005 USD
Brilliant Earth$1,550 USD

18 data points across 5 retailers

1 retailer

B
Brilliant Earth
5627582A · Oct 29
$1,550 USD
View

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
1.67ct Oval
$1,550 USD