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Round|Natural|GIA

0.90ct L SI1 Round Natural Diamond

GD • L/SI1 • GIA 1239815810

Certificate GIA 1239815810

Diamond specifications and retailer prices

From $821 CAD
As of November 6, 2026
Save $2,617 CAD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,438 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 1239815810. Listed at 14 retailers as of November 5, 2026, with prices from $821 to $3,438, a $2,617 spread on the same certified stone. NZ Jewellers lists it at $3,438. 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

0.90
Carat
L
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1239815810
Dimensions5.88 × 5.97 × 3.95 mm
L/W Ratio1.02
Star length50%
Lower girdle80%
Top View
5.88 mm5.97 mm0.90 ctL / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1239815810
Side View
Table 55.0%Crown 39.5°Girdle: ThickPavilion 40.4°Culet: NoneDepth 66.7%

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: Nov 6
Current: $1,297 CAD|Low: $821 CAD|High: $1,609 CAD|Avg: $1,260 CAD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$821 CAD
Retailer 4$1,113 CAD
Retailer 6$1,133 CAD
Retailer 7$1,292 CAD
Retailer 1$1,297 CAD
Retailer 2$1,411 CAD
Retailer 3$1,605 CAD

39 data points across 7 retailers

14 retailers$821 CAD to $3,438 CAD

B+
Cheapest Retailer
-
$821 CAD
Retailer 2
-
$1,096 CAD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,096 CAD
View
B+
Retailer 4
-
$1,113 CAD
View
B+
Retailer 5
-
$1,133 CAD
View
B+
Retailer 6
-
$1,138 CAD
View
B+
Retailer 7
-
$1,265 CAD
View
B+
Retailer 8
-
$1,265 CAD
View
B+
Retailer 9
-
$1,281 CAD
View
B+
Retailer 10
-
$1,297 CAD
View
B+
Retailer 11
-
$1,334 CAD
View
B
Retailer 12
-
$1,411 CAD
View
B
Retailer 13
-
$1,605 CAD
View
Most Expensive
C
NZ Jewellers
3c3aecb2-023c-4227-95fc-d28d363ce399 · Nov 5
$3,438 CAD
$2,462 USD
View
13 more retailers have this diamond
Prices start from $821 CADSave up to $2,617 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+
0.90ct Round
$821 CAD