Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2427869838

Certificate GIA 2427869838

Diamond specifications and retailer prices

From $2,727 NZD
As of October 31, 2026
Save $5,132 NZD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,860 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct 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 2427869838. Listed at 19 retailers as of October 31, 2026, with prices from $2,727 to $7,860, a $5,132 spread on the same certified stone. NZ Jewellers lists it at $7,860. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2427869838
Dimensions6.49 × 6.46 × 3.97 mm
L/W Ratio1.00
Top View
6.49 mm6.46 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2427869838
Side View
Table 59.0%Crown 32°Girdle: THN-STKPavilion 41.6°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: Oct 31
Current: $3,812 NZD|Low: $2,722 NZD|High: $6,665 NZD|Avg: $4,058 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,727 NZD
Retailer 8$2,747 NZD
Retailer 10$3,397 NZD
Retailer 9$3,584 NZD
Retailer 1$3,812 NZD
Retailer 2$3,933 NZD
Retailer 4$4,059 NZD
Retailer 3$4,587 NZD
Retailer 6$4,622 NZD
Retailer 5$6,586 NZD

40 data points across 10 retailers

19 retailers$2,727 NZD to $7,860 NZD

A
Cheapest Retailer
-
$2,727 NZD
A
Retailer 2
-
$2,747 NZD
View
B+
Retailer 3
-
$3,296 NZD
View
B+
Retailer 4
-
$3,397 NZD
View
B+
Retailer 5
-
$3,584 NZD
View
B+
Retailer 6
-
$3,759 NZD
View
Retailer 7
-
$3,759 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,806 NZD
View
B+
Retailer 9
-
$3,812 NZD
View
Retailer 10
-
$3,886 NZD
View
Price last confirmed 109 days ago
B+
Retailer 11
-
$3,933 NZD
View
B+
Retailer 12
-
$4,008 NZD
View
B+
Retailer 13
-
$4,059 NZD
View
B
Retailer 14
-
$4,338 NZD
View
B+
Retailer 15
-
$4,587 NZD
View
B+
Retailer 16
-
$4,622 NZD
View
B
Retailer 17
-
$5,717 NZD
View
B
Retailer 18
-
$6,586 NZD
View
Most Expensive
B
NZ Jewellers
76b7396f-8749-4db6-ab71-bf60b74db0de · Nov 5
$7,860 NZD
$4,357 USD
View
18 more retailers have this diamond
Prices start from $2,727 NZDSave up to $5,132 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
1.02ct Round
$2,727 NZD