Round|Natural|GIA

1.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6555290226

Certificate GIA 6555290226

Diamond specifications and retailer prices

From $1,433 USD
As of November 4, 2026
Save $3,236 USD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,669 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555290226. Listed at 14 retailers as of November 4, 2026, with prices from $1,433 to $4,669, a $3,236 spread on the same certified stone. NZ Jewellers lists it at $4,669. 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
L
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555290226
Dimensions6.94 × 6.99 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.94 mm6.99 mm1.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555290226
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Nov 4
Current: $4,669 USD|Low: $1,433 USD|High: $4,850 USD|Avg: $2,252 USD|-3.7%
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
November 5, 2026
Retailer 4$1,433 USD
Retailer 7$1,446 USD
Retailer 9$1,746 USD
Retailer 10$1,863 USD
Retailer 14$1,914 USD
Retailer 6$1,963 USD
Retailer 11$2,003 USD
Retailer 8$2,086 USD
Retailer 3$2,102 USD
Retailer 5$2,156 USD
Retailer 12$2,209 USD
Retailer 2$2,454 USD
Retailer 13$2,771 USD
NZ Jewellers$4,669 USD

31 data points across 14 retailers

14 retailers$1,433 USD to $4,669 USD

A
Cheapest Retailer
-
$1,433 USD
A
Retailer 2
-
$1,446 USD
View
A
Retailer 3
-
$1,746 USD
View
A
Retailer 4
-
$1,863 USD
View
A
Retailer 5
-
$1,914 USD
View
A
Retailer 6
-
$1,963 USD
View
B+
Retailer 7
-
$2,003 USD
View
B+
Retailer 8
-
$2,086 USD
View
B+
Retailer 9
-
$2,102 USD
View
B+
Retailer 10
-
$2,156 USD
View
B+
Retailer 11
-
$2,209 USD
View
B+
Retailer 12
-
$2,454 USD
View
B+
Retailer 13
-
$2,771 USD
View
Most Expensive
B
NZ Jewellers
8dc4c868-ae52-4f66-9208-630c9148b8d2 · Nov 5
$4,669 USD
View
13 more retailers have this diamond
Prices start from $1,433 USDSave up to $3,236 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
$1,433 USD