Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2537841477

Certificate GIA 2537841477

Diamond specifications and retailer prices

From $1,587 USD
As of November 6, 2026
Save $2,948 USD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,535 USD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2537841477. Listed at 17 retailers as of November 5, 2026, with prices from $1,587 to $4,535, a $2,948 spread on the same certified stone. NZ Jewellers lists it at $4,535. 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
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2537841477
Dimensions6.65 × 6.56 × 4.20 mm
L/W Ratio1.01
Top View
6.65 mm6.56 mm1.20 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2537841477
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,132 USD|Low: $1,574 USD|High: $3,845 USD|Avg: $2,376 USD|+0.9%
Retailer 1
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 12$1,587 USD
Retailer 13$1,838 USD
Retailer 9$1,995 USD
Retailer 2$2,112 USD
Retailer 11$2,120 USD
Retailer 1$2,132 USD
Retailer 4$2,169 USD
Retailer 3$2,269 USD
Retailer 7$2,489 USD
Retailer 5$2,503 USD
Retailer 8$2,647 USD
Retailer 6$2,688 USD
Retailer 10$3,789 USD

45 data points across 13 retailers

17 retailers$1,587 USD to $4,535 USD

A
Cheapest Retailer
-
$1,587 USD
B+
Retailer 2
-
$1,838 USD
View
B+
Retailer 3
-
$1,959 USD
View
A
Retailer 4
-
$1,995 USD
View
B+
Retailer 5
-
$2,120 USD
View
B+
Retailer 6
-
$2,132 USD
View
Retailer 7
-
$2,169 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,202 USD
View
B+
Retailer 9
-
$2,269 USD
View
B+
Retailer 10
-
$2,298 USD
View
B+
Retailer 11
-
$2,489 USD
View
B
Retailer 12
-
$2,503 USD
View
B
Retailer 13
-
$2,647 USD
View
B
Retailer 14
-
$2,688 USD
View
B
Retailer 15
-
$3,056 USD
View
B
Retailer 16
-
$3,789 USD
View
Most Expensive
C
NZ Jewellers
746c22da-335a-403c-ba16-b3ff5194fb2a · Nov 5
$4,535 USD
View
16 more retailers have this diamond
Prices start from $1,587 USDSave up to $2,948 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.

A
1.20ct Round
$1,587 USD