CaratHunter
Plans
Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2567153963

Certificate GIA 2567153963

Diamond specifications and retailer prices

From $1,542 USD
As of November 5, 2026
Save $3,055 USD (66%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,597 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567153963. Listed at 16 retailers as of November 5, 2026, with prices from $1,542 to $4,597, a $3,055 spread on the same certified stone. NZ Jewellers lists it at $4,597. 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

1.30
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567153963
Dimensions6.91 × 6.97 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
6.91 mm6.97 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567153963
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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 5
Current: $1,973 USD|Low: $1,542 USD|High: $3,898 USD|Avg: $2,552 USD|-7.3%
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$1,542 USD
Retailer 1$1,973 USD
Retailer 3$2,200 USD
Retailer 4$2,227 USD
Retailer 2$2,255 USD
Retailer 10$2,343 USD
Retailer 6$2,380 USD
Retailer 5$2,622 USD
Retailer 8$2,684 USD
Retailer 9$3,841 USD

31 data points across 10 retailers

16 retailers$1,542 USD to $4,597 USD

A
Cheapest Retailer
-
$1,542 USD
A
Retailer 2
-
$1,973 USD
View
A
Retailer 3
-
$1,986 USD
View
A
Retailer 4
-
$2,199 USD
View
A
Retailer 5
-
$2,200 USD
View
A
Retailer 6
-
$2,215 USD
View
A
Retailer 7
-
$2,227 USD
View
A
Retailer 8
-
$2,255 USD
View
Retailer 9
-
$2,280 USD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$2,300 USD
View
A
Retailer 11
-
$2,343 USD
View
A
Retailer 12
-
$2,380 USD
View
A
Retailer 13
-
$2,622 USD
View
B+
Retailer 14
-
$2,684 USD
View
B
Retailer 15
-
$3,841 USD
View
Most Expensive
B
NZ Jewellers
971c76ed-7970-4c2e-8b78-b3f5b9ec9263 · Nov 5
$4,597 USD
View
15 more retailers have this diamond
Prices start from $1,542 USDSave up to $3,055 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
1.30ct Round
$1,542 USD