CaratHunter
Plans
Oval|Lab Grown|IGI

1.77ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG690502894

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG690502894

Diamond specifications and retailer prices

From $355 CAD
$253 USD
As of October 27, 2026
Save $868 CAD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,223 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.77ct lab-grown oval diamond

This 1.77ct 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 LG690502894 or 690502894. Listed at 9 retailers as of October 27, 2026, with prices from $355 to $1,223, a $868 spread on the same certified stone. NZ Jewellers lists it at $1,223. 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

1.77
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690502894
Dimensions9.91 × 6.77 × 4.28 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.91 mm6.77 mm1.77 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690502894
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,223 CAD|Low: $355 CAD|High: $2,683 CAD|Avg: $1,051 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 13$355 CAD
Retailer 7$381 CAD
Retailer 11$432 CAD
Retailer 6$490 CAD
Retailer 12$652 CAD
Retailer 2$707 CAD
Retailer 8$752 CAD
Retailer 3$760 CAD
Retailer 9$843 CAD
NZ Jewellers$1,223 CAD
Retailer 10$1,517 CAD
Retailer 4$1,723 CAD
Retailer 5$2,683 CAD

3 data points across 13 retailers

9 retailers$355 CAD to $1,223 CAD

A
Cheapest Retailer
-
$355 CAD
$253 USD
A
Retailer 2
-
$381 CAD
$271 USD
View
A
Retailer 3
-
$432 CAD
HK$2,400 HKD
View
A
Retailer 4
-
$490 CAD
£275 GBP
View
B+
Retailer 5
-
$652 CAD
$464 USD
View
A
Retailer 6
-
$707 CAD
£396 GBP
View
A
Retailer 7
-
$752 CAD
$535 USD
View
B+
Retailer 8
-
$843 CAD
$600 USD
View
Most Expensive
B
NZ Jewellers
50bc0bdf-1e6f-4035-928e-b11690bafe16 · Oct 28
$1,223 CAD
$871 USD
View
8 more retailers have this diamond
Prices start from $355 CADSave up to $868 CAD

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
1.77ct Oval
$355 CAD