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Round|Natural|GIA

1.20ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2487290910

Certificate GIA 2487290910

Diamond specifications and retailer prices

From $3,402 NZD
As of November 6, 2026
Save $6,039 NZD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,442 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2487290910. Listed at 12 retailers as of November 5, 2026, with prices from $3,402 to $9,442, a $6,039 spread on the same certified stone. NZ Jewellers lists it at $9,442. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2487290910
Dimensions6.84 × 6.81 × 4.12 mm
L/W Ratio1.00
Top View
6.84 mm6.81 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2487290910
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 60.3%

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: $9,442 NZD|Low: $3,402 NZD|High: $9,442 NZD|Avg: $5,548 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$3,402 NZD
Retailer 8$4,091 NZD
Retailer 10$4,091 NZD
Retailer 7$4,281 NZD
Retailer 9$4,721 NZD
Retailer 2$4,750 NZD
Retailer 3$5,267 NZD
Retailer 4$5,349 NZD
Retailer 5$7,892 NZD
NZ Jewellers$9,442 NZD

41 data points across 10 retailers

12 retailers$3,402 NZD to $9,442 NZD

A
Cheapest Retailer
-
$3,402 NZD
A
Retailer 2
-
$3,696 NZD
View
Retailer 3
-
$4,091 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$4,091 NZD
View
B+
Retailer 5
-
$4,281 NZD
View
B+
Retailer 6
-
$4,432 NZD
View
B+
Retailer 7
-
$4,721 NZD
View
B+
Retailer 8
-
$4,750 NZD
View
B
Retailer 9
-
$5,267 NZD
View
B+
Retailer 10
-
$5,349 NZD
View
B
Retailer 11
-
$7,892 NZD
View
Most Expensive
B
NZ Jewellers
ee68daaf-70f5-4bc3-a457-0ed156f73fcc · Nov 5
$9,442 NZD
$5,234 USD
View
11 more retailers have this diamond
Prices start from $3,402 NZDSave up to $6,039 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
$3,402 NZD