CaratHunter
Plans
Round|Natural|GIA

1.30ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7551404033

Certificate GIA 7551404033

Diamond specifications and retailer prices

From $3,013 USD
As of November 6, 2026
Save $3,934 USD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,947 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7551404033. Listed at 19 retailers as of November 5, 2026, with prices from $3,013 to $6,947, a $3,934 spread on the same certified stone. NZ Jewellers lists it at $6,947. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551404033
Dimensions6.94 × 6.97 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.94 mm6.97 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551404033
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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: $6,947 USD|Low: $2,992 USD|High: $7,054 USD|Avg: $4,380 USD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2$3,013 USD
Retailer 16$3,360 USD
Retailer 5$3,509 USD
Retailer 9$3,572 USD
Retailer 6$3,680 USD
Retailer 14$3,805 USD
Retailer 10$3,927 USD
Retailer 4$3,988 USD
Retailer 7$3,988 USD
Retailer 13$4,014 USD
Retailer 12$4,134 USD
Retailer 11$4,265 USD
Retailer 15$4,438 USD
Retailer 3$4,559 USD
Retailer 18$4,601 USD
Retailer 17$4,867 USD
Retailer 8$6,567 USD
NZ Jewellers$6,947 USD

25 data points across 18 retailers

19 retailers$3,013 USD to $6,947 USD

A
Cheapest Retailer
-
$3,013 USD
A
Retailer 2
-
$3,360 USD
View
A
Retailer 3
-
$3,509 USD
View
A
Retailer 4
-
$3,572 USD
View
B+
Retailer 5
-
$3,680 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,805 USD
View
Retailer 7
-
$3,927 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,988 USD
View
B+
Retailer 9
-
$3,988 USD
View
B+
Retailer 10
-
$4,014 USD
View
B+
Retailer 11
-
$4,134 USD
View
Retailer 12
-
$4,238 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$4,265 USD
View
B+
Retailer 14
-
$4,438 USD
View
B+
Retailer 15
-
$4,559 USD
View
B+
Retailer 16
-
$4,601 USD
View
B+
Retailer 17
-
$4,867 USD
View
B
Retailer 18
-
$6,567 USD
View
Most Expensive
B
NZ Jewellers
8b23a696-8712-4267-9c29-99c8d121a534 · Nov 5
$6,947 USD
View
18 more retailers have this diamond
Prices start from $3,013 USDSave up to $3,934 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
$3,013 USD