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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2537841477

Certificate GIA 2537841477

Diamond specifications and retailer prices

From $2,863 NZD
As of November 6, 2026
Save $5,318 NZD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,181 NZD 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 $2,863 to $8,181, a $5,318 spread on the same certified stone. NZ Jewellers lists it at $8,181. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,846 NZD|Low: $2,839 NZD|High: $6,936 NZD|Avg: $4,286 NZD|+1.9%
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$2,863 NZD
Retailer 13$3,316 NZD
Retailer 9$3,599 NZD
Retailer 2$3,810 NZD
Retailer 11$3,824 NZD
Retailer 1$3,846 NZD
Retailer 4$3,913 NZD
Retailer 3$4,093 NZD
Retailer 7$4,490 NZD
Retailer 5$4,515 NZD
Retailer 8$4,775 NZD
Retailer 6$4,849 NZD
Retailer 10$6,835 NZD

44 data points across 13 retailers

17 retailers$2,863 NZD to $8,181 NZD

A
Cheapest Retailer
-
$2,863 NZD
B+
Retailer 2
-
$3,316 NZD
View
B+
Retailer 3
-
$3,534 NZD
View
A
Retailer 4
-
$3,599 NZD
View
B+
Retailer 5
-
$3,824 NZD
View
B+
Retailer 6
-
$3,846 NZD
View
Retailer 7
-
$3,913 NZD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,972 NZD
View
B+
Retailer 9
-
$4,093 NZD
View
B+
Retailer 10
-
$4,145 NZD
View
B+
Retailer 11
-
$4,490 NZD
View
B
Retailer 12
-
$4,515 NZD
View
B
Retailer 13
-
$4,775 NZD
View
B
Retailer 14
-
$4,849 NZD
View
B
Retailer 15
-
$5,513 NZD
View
B
Retailer 16
-
$6,835 NZD
View
Most Expensive
C
NZ Jewellers
746c22da-335a-403c-ba16-b3ff5194fb2a · Nov 5
$8,181 NZD
$4,535 USD
View
16 more retailers have this diamond
Prices start from $2,863 NZDSave up to $5,318 NZD

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
$2,863 NZD