Heart|Natural|GIA

1.20ct J SI1 Heart Natural Diamond

GD • J/SI1 • GIA 6361749218

Certificate GIA 6361749218

Diamond specifications and retailer prices

From $2,136 USD
As of November 5, 2026
Save $2,707 USD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,843 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6361749218. Listed at 17 retailers as of November 2, 2026, with prices from $2,136 to $4,843, a $2,707 spread on the same certified stone. MOH London lists it at $4,843. 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

1.20
Carat
J
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6361749218
Dimensions6.14 × 5.81 × 3.95 mm
L/W Ratio1.06
Top View
6.14 mm5.81 mm1.20 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6361749218
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.0%

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 5
Current: $4,843 USD|Low: $2,057 USD|High: $4,901 USD|Avg: $2,881 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 7$2,136 USD
Retailer 12$2,262 USD
Retailer 8$2,275 USD
Retailer 4$2,415 USD
Retailer 11$2,485 USD
Retailer 9$2,504 USD
Retailer 3$2,547 USD
Retailer 10$2,551 USD
Retailer 13$2,839 USD
Retailer 5$3,096 USD
Retailer 2$3,217 USD
Retailer 6$3,373 USD
MOH London$4,843 USD

46 data points across 13 retailers

17 retailers$2,136 USD to $4,843 USD

B+
Cheapest Retailer
-
$2,136 USD
B
Retailer 2
-
$2,250 USD
View
B
Retailer 3
-
$2,250 USD
View
B
Retailer 4
-
$2,262 USD
View
B+
Retailer 5
-
$2,275 USD
View
B
Retailer 6
-
$2,330 USD
View
B
Retailer 7
-
$2,415 USD
View
B
Retailer 8
-
$2,485 USD
View
Retailer 9
-
$2,504 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$2,547 USD
View
B
Retailer 11
-
$2,551 USD
View
Final sale: no returns
B
Retailer 12
-
$2,819 USD
View
B
Retailer 13
-
$2,839 USD
View
Retailer 14
-
$3,096 USD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$3,217 USD
View
B
Retailer 16
-
$3,373 USD
View
Most Expensive
C
MOH London
D0F9EF9C1 · Nov 2
$4,843 USD
£3,813 GBP
View
16 more retailers have this diamond
Prices start from $2,136 USDSave up to $2,707 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+
1.20ct Heart
$2,136 USD