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Oval|Lab Grown|GIA

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • GIA 1488286741

Certificate GIA 1488286741

Diamond specifications and retailer prices

From $372 CAD
$266 USD
As of October 27, 2026
Save $1,040 CAD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,412 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.57ct lab-grown oval diamond

This 1.57ct lab-grown oval 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 stated by the retailer rather than the lab and certified by GIA 1488286741. Listed at 5 retailers as of October 27, 2026, with prices from $372 to $1,412, a $1,040 spread on the same certified stone. NZ Jewellers lists it at $1,412. 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

1.57
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1488286741
Dimensions9.30 × 6.56 × 4.15 mm
L/W Ratio1.42
Culet sizeNone
Key to symbols
Growth Remnant
Top View
9.30 mm6.56 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488286741
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: 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: $1,412 CAD|Low: $321 CAD|High: $3,163 CAD|Avg: $1,214 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 3$372 CAD
Retailer 5$397 CAD
Retailer 2$423 CAD
Retailer 4$859 CAD
NZ Jewellers$1,412 CAD
Retailer 6$3,163 CAD

4 data points across 6 retailers

5 retailers$372 CAD to $1,412 CAD

A
Cheapest Retailer
-
$372 CAD
$266 USD
A
Retailer 2
-
$397 CAD
$284 USD
View
A
Retailer 3
-
$423 CAD
$302 USD
View
B+
Retailer 4
-
$859 CAD
$614 USD
View
Most Expensive
B
NZ Jewellers
183be7ed-f4f4-4135-a6f1-b5774f659b7e · Oct 28
$1,412 CAD
$1,009 USD
View
4 more retailers have this diamond
Prices start from $372 CADSave up to $1,040 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
1.57ct Oval
$372 CAD