CaratHunter
Plans
Oval|Lab Grown|IGI

1.80ct J SI2 Oval Lab Grown Diamond

ID • J/SI2 • IGI LG451057946

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057946

Diamond specifications and retailer prices

From $1,302 CAD
$930 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,302 CAD 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 1.8ct lab-grown oval diamond

This 1.8ct 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 LG451057946 or 451057946. 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

1.80
Carat
J
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057946
Dimensions9.27 × 6.94 × 4.35 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
undefined
Top View
9.27 mm6.94 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451057946
Side View
Table 57.5%Crown 33.3°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,302 CAD|Low: $1,302 CAD|High: $4,445 CAD|Avg: $3,357 CAD|-50.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
June 13, 2026
Brilliant Earth$1,302 CAD
Retailer 2$1,436 CAD
Retailer 3$2,819 CAD
Retailer 4$3,095 CAD
Retailer 5$3,881 CAD
Retailer 6$4,445 CAD

12 data points across 6 retailers

1 retailer

B+
Brilliant Earth
8351428A · Oct 29
$1,302 CAD
$930 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+
1.80ct Oval
$1,302 CAD