Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

GD • D/SI1

Diamond specifications and retailer prices

From $342 CAD
$244 USD
As of October 29, 2026
Save $1,019 CAD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,360 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 standard cut grade and certified by IGI. Listed at 7 retailers as of October 28, 2026, with prices from $342 to $1,360, a $1,019 spread on the same certified stone. NZ Jewellers lists it at $1,360. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.59
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions9.22 × 6.60 × 4.14 mm
L/W Ratio1.40
Top View
9.22 mm6.60 mm1.59 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: 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: $1,360 CAD|Low: $231 CAD|High: $1,493 CAD|Avg: $677 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 20, 2026
Retailer 6$231 CAD
Retailer 3$342 CAD
Retailer 2$396 CAD
Retailer 5$423 CAD
Retailer 4$473 CAD
NZ Jewellers$1,360 CAD
Retailer 7$1,493 CAD

24 data points across 7 retailers

7 retailers$342 CAD to $1,360 CAD

Retailer 1
-
$328 CAD
$234 USD
Price last confirmed 25 days ago
B+
Retailer 2
-
$342 CAD
$244 USD
View
Retailer 3
-
$342 CAD
$244 USD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$396 CAD
$283 USD
View
Retailer 5
-
$473 CAD
£266 GBP
View
Price last confirmed 13 days ago
Retailer 6
-
$1,360 CAD
$972 USD
View
Price last confirmed 22 days ago
Most Expensive
C
NZ Jewellers
edf60e19-3ddc-4532-971e-06d8223ee23c · Oct 28
$1,360 CAD
$972 USD
View
6 more retailers have this diamond
Prices start from $342 CADSave up to $1,019 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.

B+
1.59ct Oval
$342 CAD