Oval|Lab Grown|IGI

1.56ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG818660685

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818660685

Diamond specifications and retailer prices

From $1,788 CAD
$1,280 USD
As of October 31, 2026
11 retailers carry this diamond
Most expensive: $1,788 CAD at Brilliant Earth
View at Brilliant Earth

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818660685 or 818660685. Listed at 11 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

1.56
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660685
Dimensions9.57 × 6.55 × 4.02 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.57 mm6.55 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660685
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $1,788 CAD|Low: $328 CAD|High: $1,816 CAD|Avg: $939 CAD|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 5, 2026
Retailer 7$338 CAD
Retailer 10$374 CAD
Retailer 6$641 CAD
Retailer 4$679 CAD
Retailer 5$712 CAD
Retailer 3$893 CAD
Retailer 9$1,219 CAD
Retailer 11$1,279 CAD
Retailer 2$1,313 CAD
Retailer 8$1,520 CAD
Brilliant Earth$1,788 CAD

15 data points across 11 retailers

11 retailers

Retailer 1
-
$291 CAD
$208 USD
Price last confirmed 27 days ago
Retailer 2
-
$346 CAD
$248 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$374 CAD
$268 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$641 CAD
$459 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$893 CAD
$639 USD
View
Price last confirmed 29 days ago
Retailer 6
-
$1,206 CAD
$863 USD
View
Price last confirmed 27 days ago
Retailer 7
-
$1,219 CAD
SGD 1,179 SGD
View
Price last confirmed 27 days ago
Retailer 8
-
$1,279 CAD
$916 USD
View
Price last confirmed 27 days ago
Retailer 9
-
$1,313 CAD
$940 USD
View
Price last confirmed 26 days ago
Retailer 10
-
$1,520 CAD
£857 GBP
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
21492487A · Oct 31
$1,788 CAD
$1,280 USD
View
10 more retailers have this diamond

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
1.56ct Oval
$1,788 CAD