CaratHunter
Plans
Heart|Natural|GIA

0.90ct J SI1 Heart Natural Diamond

J/SI1 • GIA 6205641210

Certificate GIA 6205641210

Diamond specifications and retailer prices

From $2,161 USD
As of October 31, 2026
Save $957 USD (31%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,118 USD at The Diamond Guys · As of October 31, 2026
View at The Diamond Guys

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6205641210. Listed at 9 retailers as of October 31, 2026, with prices from $2,161 to $3,118, a $957 spread on the same certified stone. The Diamond Guys lists it at $3,118. 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
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205641210
Dimensions5.85 × 6.72 × 3.89 mm
L/W Ratio1.15
Top View
5.85 mm6.72 mm0.90 ctJ / SI1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205641210
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,684 USD|Low: $2,161 USD|High: $3,120 USD|Avg: $2,732 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 26, 2026
Retailer 5$2,161 USD
Retailer 11$2,217 USD
Retailer 6$2,326 USD
Retailer 4$2,515 USD
Retailer 1$2,684 USD
Retailer 10$2,694 USD
Retailer 8$2,830 USD
Retailer 9$2,830 USD
Retailer 2$2,930 USD
Retailer 3$3,025 USD
Retailer 12$3,042 USD
The Diamond Guys$3,118 USD
Retailer 7$3,120 USD

2 data points across 13 retailers

9 retailers$2,161 USD to $3,118 USD

B
Cheapest Retailer
-
$2,161 USD
B
Retailer 2
-
$2,217 USD
View
B
Retailer 3
-
$2,326 USD
View
C
Retailer 4
-
$2,684 USD
View
C
Retailer 5
-
$2,694 USD
CA$3,742 CAD
View
C
Retailer 6
-
$2,830 USD
View
C
Retailer 7
-
$2,830 USD
View
C
Retailer 8
-
$2,930 USD
View
Most Expensive
C
The Diamond Guys
1947489985 · Oct 31
$3,118 USD
View
8 more retailers have this diamond
Prices start from $2,161 USDSave up to $957 USD

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 Heart
$2,161 USD