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Round|Natural|GIA

0.90ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 1427157820

Certificate GIA 1427157820

Diamond specifications and retailer prices

From $1,290 CAD
HK$7,200 HKD
As of October 29, 2026
Save $3,142 CAD (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,432 CAD at Moon Ocean · As of October 29, 2026
View at Moon Ocean

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1427157820. Listed at 17 retailers as of October 29, 2026, with prices from $1,290 to $4,432, a $3,142 spread on the same certified stone. Moon Ocean lists it at $4,432. 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
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1427157820
Dimensions6.05 × 5.97 × 3.87 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cavity
Top View
6.05 mm5.97 mm0.90 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1427157820
Side View
Table 57.0%Crown 38°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.4%

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 29
Current: $4,432 CAD|Low: $1,159 CAD|High: $4,467 CAD|Avg: $2,182 CAD|+0.3%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$1,290 CAD
Retailer 5$1,386 CAD
Retailer 6$1,422 CAD
Retailer 8$1,544 CAD
Retailer 2$1,926 CAD
Retailer 4$2,113 CAD
Retailer 3$3,135 CAD
Moon Ocean$4,432 CAD

43 data points across 8 retailers

17 retailers$1,290 CAD to $4,432 CAD

A
Cheapest Retailer
-
$1,290 CAD
HK$7,200 HKD
A
Retailer 2
-
$1,386 CAD
$990 USD
View
B+
Retailer 3
-
$1,422 CAD
$1,016 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,527 CAD
$1,091 USD
View
B+
Retailer 5
-
$1,542 CAD
$1,102 USD
View
B+
Retailer 6
-
$1,542 CAD
$1,102 USD
View
B+
Retailer 7
-
$1,544 CAD
$1,103 USD
View
B+
Retailer 8
-
$1,603 CAD
$1,145 USD
View
B+
Retailer 9
-
$1,780 CAD
$1,272 USD
View
B+
Retailer 10
-
$1,861 CAD
$1,330 USD
View
B+
Retailer 11
-
$1,861 CAD
$1,330 USD
View
B+
Retailer 12
-
$1,917 CAD
$1,370 USD
View
B+
Retailer 13
-
$1,926 CAD
£1,084 GBP
View
B
Retailer 14
-
$2,113 CAD
€1,438 EUR
View
B
Retailer 15
-
$3,135 CAD
£1,764 GBP
View
C
Retailer 16
-
$4,153 CAD
$2,967 USD
View
Most Expensive
B
Moon Ocean
NVN-F4489A766-820 · Oct 29
$4,432 CAD
£2,494 GBP
View
16 more retailers have this diamond
Prices start from $1,290 CADSave up to $3,142 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
0.90ct Round
$1,290 CAD