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Round|Lab Grown|IGI

1.89ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG758560174

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758560174

Diamond specifications and retailer prices

From $347 CAD
$248 USD
As of October 26, 2026
Save $1,430 CAD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,777 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown round diamond

This 1.89ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG758560174 or 758560174. Listed at 19 retailers as of October 26, 2026, with prices from $347 to $1,777, a $1,430 spread on the same certified stone. Brilliant Earth lists it at $1,777. 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

1.89
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758560174
Dimensions7.92 × 7.88 × 4.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm7.88 mm1.89 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758560174
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $1,777 CAD|Low: $344 CAD|High: $1,824 CAD|Avg: $915 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 6$347 CAD
Retailer 19$388 CAD
Retailer 18$402 CAD
Retailer 3$430 CAD
Retailer 16$484 CAD
Retailer 11$672 CAD
Retailer 13$672 CAD
Retailer 2$680 CAD
Retailer 7$721 CAD
Retailer 10$801 CAD
Retailer 14$810 CAD
Retailer 5$872 CAD
Retailer 17$939 CAD
Retailer 4$1,085 CAD
Retailer 8$1,351 CAD
Retailer 12$1,375 CAD
Retailer 9$1,381 CAD
Retailer 15$1,726 CAD
Brilliant Earth$1,777 CAD

35 data points across 19 retailers

19 retailers$347 CAD to $1,777 CAD

A
Cheapest Retailer
-
$347 CAD
$248 USD
A
Retailer 2
-
$388 CAD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$402 CAD
$287 USD
View
A
Retailer 4
-
$430 CAD
$307 USD
View
A
Retailer 5
-
$484 CAD
HK$2,700 HKD
View
Retailer 6
-
$672 CAD
$480 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$672 CAD
£378 GBP
View
A
Retailer 8
-
$680 CAD
€463 EUR
View
B+
Retailer 9
-
$721 CAD
$515 USD
View
A
Retailer 10
-
$801 CAD
$572 USD
View
A
Retailer 11
-
$810 CAD
£456 GBP
View
B+
Retailer 12
-
$872 CAD
A$958 AUD
View
B+
Retailer 13
-
$939 CAD
$671 USD
View
B+
Retailer 14
-
$1,085 CAD
$775 USD
View
B+
Retailer 15
-
$1,351 CAD
$965 USD
View
B+
Retailer 16
-
$1,375 CAD
SGD 1,328 SGD
View
B+
Retailer 17
-
$1,381 CAD
$987 USD
View
B
Retailer 18
-
$1,726 CAD
£971 GBP
View
Most Expensive
B
Brilliant Earth
21805874A · Oct 29
$1,777 CAD
$1,270 USD
View
18 more retailers have this diamond
Prices start from $347 CADSave up to $1,430 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
1.89ct Round
$347 CAD