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Round|Natural|GIA

1.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6525878743

Certificate GIA 6525878743

Diamond specifications and retailer prices

From $3,072 NZD
As of November 5, 2026
Save $5,152 NZD (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,224 NZD 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 6525878743. Listed at 15 retailers as of November 5, 2026, with prices from $3,072 to $8,224, a $5,152 spread on the same certified stone. NZ Jewellers lists it at $8,224. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6525878743
Dimensions6.89 × 6.95 × 4.32 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.89 mm6.95 mm1.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525878743
Side View
Table 60.0%Crown 35°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 62.3%

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: $8,224 NZD|Low: $3,072 NZD|High: $8,224 NZD|Avg: $3,935 NZD
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 6, 2026
Retailer 5$3,072 NZD
Retailer 2$3,270 NZD
Retailer 3$3,287 NZD
Retailer 9$3,371 NZD
Retailer 4$3,458 NZD
Retailer 13$3,460 NZD
Retailer 10$3,528 NZD
Retailer 6$3,617 NZD
Retailer 12$3,625 NZD
Retailer 7$3,640 NZD
Retailer 14$3,890 NZD
Retailer 8$4,115 NZD
Retailer 11$4,373 NZD
NZ Jewellers$8,224 NZD

41 data points across 14 retailers

15 retailers$3,072 NZD to $8,224 NZD

A
Cheapest Retailer
-
$3,072 NZD
A
Retailer 2
-
$3,270 NZD
View
A
Retailer 3
-
$3,287 NZD
View
A
Retailer 4
-
$3,371 NZD
View
B+
Retailer 5
-
$3,458 NZD
View
B+
Retailer 6
-
$3,460 NZD
View
B+
Retailer 7
-
$3,528 NZD
View
Retailer 8
-
$3,570 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,617 NZD
View
B+
Retailer 10
-
$3,625 NZD
View
B+
Retailer 11
-
$3,640 NZD
View
B+
Retailer 12
-
$3,890 NZD
View
B+
Retailer 13
-
$4,115 NZD
View
B+
Retailer 14
-
$4,373 NZD
View
Most Expensive
C
NZ Jewellers
61db5728-75eb-408e-9aa2-4028e89b6b47 · Nov 5
$8,224 NZD
$4,623 USD
View
14 more retailers have this diamond
Prices start from $3,072 NZDSave up to $5,152 NZD

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
$3,072 NZD