Round|Natural|GIA

1.20ct J I1 Round Natural Diamond

GD • J/I1 • GIA 2436691971

Certificate GIA 2436691971

Diamond specifications and retailer prices

From $1,562 USD
HK$12,200 HKD
As of October 31, 2026
Save $2,821 USD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,383 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 2436691971. Listed at 10 retailers as of October 30, 2026, with prices from $1,562 to $4,383, a $2,821 spread on the same certified stone. NZ Jewellers lists it at $4,383. 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
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2436691971
Dimensions6.57 × 6.53 × 4.34 mm
L/W Ratio1.01
Top View
6.57 mm6.53 mm1.20 ctJ / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2436691971
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 66.3%

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 31
Current: $4,383 USD|Low: $1,536 USD|High: $4,459 USD|Avg: $2,330 USD|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2$1,562 USD
Retailer 4$1,622 USD
Retailer 6$1,682 USD
Retailer 12$1,894 USD
Retailer 9$2,009 USD
Retailer 7$2,096 USD
Retailer 10$2,096 USD
Retailer 8$2,193 USD
Retailer 11$2,419 USD
Retailer 3$2,570 USD
Retailer 5$2,863 USD
NZ Jewellers$4,383 USD

15 data points across 12 retailers

10 retailers$1,562 USD to $4,383 USD

B+
Cheapest Retailer
-
$1,562 USD
HK$12,200 HKD
B+
Retailer 2
-
$1,682 USD
₹160,220 INR
View
B
Retailer 3
-
$1,894 USD
View
B
Retailer 4
-
$2,009 USD
View
B
Retailer 5
-
$2,096 USD
View
B
Retailer 6
-
$2,096 USD
View
B
Retailer 7
-
$2,193 USD
View
B
Retailer 8
-
$2,419 USD
View
B
Retailer 9
-
$2,863 USD
€2,727 EUR
View
Most Expensive
C
NZ Jewellers
79a6ac81-72c1-46a0-97de-efd6e0272bb1 · Oct 30
$4,383 USD
View
9 more retailers have this diamond
Prices start from $1,562 USDSave up to $2,821 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 Round
$1,562 USD