Round|Natural|GIA

1.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2427869838

Certificate GIA 2427869838

Diamond specifications and retailer prices

From $1,512 USD
As of October 31, 2026
Save $2,845 USD (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,357 USD 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 $1,512 to $4,357, a $2,845 spread on the same certified stone. NZ Jewellers lists it at $4,357. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,113 USD|Low: $1,509 USD|High: $3,695 USD|Avg: $2,249 USD
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$1,512 USD
Retailer 8$1,523 USD
Retailer 10$1,883 USD
Retailer 9$1,987 USD
Retailer 1$2,113 USD
Retailer 2$2,180 USD
Retailer 4$2,250 USD
Retailer 3$2,543 USD
Retailer 6$2,562 USD
Retailer 5$3,651 USD

40 data points across 10 retailers

19 retailers$1,512 USD to $4,357 USD

A
Cheapest Retailer
-
$1,512 USD
A
Retailer 2
-
$1,523 USD
View
B+
Retailer 3
-
$1,827 USD
View
B+
Retailer 4
-
$1,883 USD
View
B+
Retailer 5
-
$1,987 USD
View
B+
Retailer 6
-
$2,084 USD
View
Retailer 7
-
$2,084 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$2,110 USD
View
B+
Retailer 9
-
$2,113 USD
View
Retailer 10
-
$2,154 USD
View
Price last confirmed 109 days ago
B+
Retailer 11
-
$2,180 USD
View
B+
Retailer 12
-
$2,222 USD
View
B+
Retailer 13
-
$2,250 USD
View
B
Retailer 14
-
$2,405 USD
View
B+
Retailer 15
-
$2,543 USD
View
B+
Retailer 16
-
$2,562 USD
View
B
Retailer 17
-
$3,169 USD
View
B
Retailer 18
-
$3,651 USD
View
Most Expensive
B
NZ Jewellers
76b7396f-8749-4db6-ab71-bf60b74db0de · Nov 5
$4,357 USD
View
18 more retailers have this diamond
Prices start from $1,512 USDSave up to $2,845 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
1.02ct Round
$1,512 USD