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Round|Natural|GIA

1.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 1499141704

Certificate GIA 1499141704

Diamond specifications and retailer prices

From $1,830 USD
As of November 4, 2026
Save $3,312 USD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,142 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 1499141704. Listed at 14 retailers as of November 4, 2026, with prices from $1,830 to $5,142, a $3,312 spread on the same certified stone. NZ Jewellers lists it at $5,142. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1499141704
Dimensions6.87 × 6.93 × 4.35 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.87 mm6.93 mm1.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1499141704
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 63.0%

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 4
Current: $5,142 USD|Low: $1,817 USD|High: $5,157 USD|Avg: $2,707 USD|-0.3%
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
November 6, 2026
Retailer 10$1,830 USD
Retailer 12$2,157 USD
Retailer 13$2,221 USD
Retailer 7$2,397 USD
Retailer 14$2,428 USD
Retailer 11$2,445 USD
Retailer 4$2,459 USD
Retailer 6$2,459 USD
Retailer 15$2,573 USD
Retailer 2$2,586 USD
Retailer 5$2,599 USD
Retailer 3$2,838 USD
Retailer 9$3,001 USD
Retailer 8$3,047 USD
NZ Jewellers$5,142 USD

44 data points across 15 retailers

14 retailers$1,830 USD to $5,142 USD

A
Cheapest Retailer
-
$1,830 USD
B+
Retailer 2
-
$2,157 USD
View
B+
Retailer 3
-
$2,221 USD
View
B+
Retailer 4
-
$2,397 USD
View
B
Retailer 5
-
$2,445 USD
View
Retailer 6
-
$2,459 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$2,459 USD
View
B
Retailer 8
-
$2,573 USD
View
B
Retailer 9
-
$2,586 USD
View
B
Retailer 10
-
$2,599 USD
View
B
Retailer 11
-
$2,838 USD
View
B
Retailer 12
-
$3,001 USD
View
B
Retailer 13
-
$3,047 USD
View
Most Expensive
C
NZ Jewellers
a0cd2c9f-6d0f-448f-8c18-217fc99f84b1 · Nov 5
$5,142 USD
View
13 more retailers have this diamond
Prices start from $1,830 USDSave up to $3,312 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
$1,830 USD