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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6565467161

Certificate GIA 6565467161

Diamond specifications and retailer prices

From $1,817 USD
As of November 6, 2026
Save $3,234 USD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,051 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 top-tier cut grade and certified by GIA 6565467161. Listed at 20 retailers as of November 5, 2026, with prices from $1,817 to $5,051, a $3,234 spread on the same certified stone. NZ Jewellers lists it at $5,051. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.20
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6565467161
Dimensions6.78 × 6.83 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cloud, Cavity, Needle, Natural
Top View
6.78 mm6.83 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565467161
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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: Nov 6
Current: $5,051 USD|Low: $1,817 USD|High: $5,051 USD|Avg: $2,741 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 14$1,817 USD
Retailer 2$1,886 USD
Retailer 11$2,117 USD
Retailer 6$2,210 USD
Retailer 7$2,270 USD
Retailer 8$2,312 USD
Retailer 4$2,416 USD
Retailer 15$2,416 USD
Retailer 3$2,528 USD
Retailer 9$2,541 USD
Retailer 5$2,788 USD
Retailer 10$2,949 USD
Retailer 12$3,007 USD
Retailer 13$4,232 USD
NZ Jewellers$5,051 USD

25 data points across 15 retailers

20 retailers$1,817 USD to $5,051 USD

A
Cheapest Retailer
-
$1,817 USD
A
Retailer 2
-
$1,886 USD
View
A
Retailer 3
-
$2,117 USD
View
B+
Retailer 4
-
$2,210 USD
View
B+
Retailer 5
-
$2,267 USD
View
B+
Retailer 6
-
$2,270 USD
View
B+
Retailer 7
-
$2,277 USD
View
B+
Retailer 8
-
$2,312 USD
View
B+
Retailer 9
-
$2,416 USD
View
Retailer 10
-
$2,416 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,490 USD
View
B+
Retailer 12
-
$2,524 USD
View
B+
Retailer 13
-
$2,528 USD
View
B+
Retailer 14
-
$2,541 USD
View
B+
Retailer 15
-
$2,556 USD
View
B
Retailer 16
-
$2,788 USD
View
B
Retailer 17
-
$2,949 USD
View
B+
Retailer 18
-
$3,007 USD
View
B
Retailer 19
-
$4,232 USD
View
Most Expensive
B
NZ Jewellers
58ab7d78-f88a-4570-bb92-c69ea9dece91 · Nov 5
$5,051 USD
View
19 more retailers have this diamond
Prices start from $1,817 USDSave up to $3,234 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
$1,817 USD