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Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $11,152 NZD
As of November 5, 2026
Save $8,164 NZD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,316 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 13 retailers as of November 5, 2026, with prices from $11,152 to $19,316, a $8,164 spread on the same certified stone. Wholesale Diamonds Direct lists it at $19,316. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.94 × 7.00 × 4.29 mm
L/W Ratio1.01
Top View
6.94 mm7.00 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,353 NZD|Low: $11,152 NZD|High: $19,316 NZD|Avg: $14,142 NZD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 8$11,152 NZD
Retailer 7$11,375 NZD
Retailer 6$12,292 NZD
Retailer 1$12,353 NZD
Retailer 5$12,929 NZD
Retailer 9$13,170 NZD
Retailer 3$14,460 NZD
Retailer 2$16,253 NZD
Retailer 4$18,515 NZD
Wholesale Diamonds Direct$19,316 NZD

40 data points across 10 retailers

13 retailers$11,152 NZD to $19,316 NZD

B+
Cheapest Retailer
-
$11,152 NZD
B+
Retailer 2
-
$11,375 NZD
View
Retailer 3
-
$12,292 NZD
View
Price last confirmed 21 days ago
B
Retailer 4
-
$12,292 NZD
View
B+
Retailer 5
-
$12,353 NZD
View
Retailer 6
-
$12,579 NZD
View
Price last confirmed 21 days ago
Retailer 7
-
$12,929 NZD
View
Price last confirmed 15 days ago
Retailer 8
-
$13,062 NZD
View
Price last confirmed 33 days ago
B
Retailer 9
-
$13,170 NZD
View
B
Retailer 10
-
$14,460 NZD
View
B
Retailer 11
-
$16,253 NZD
View
B
Retailer 12
-
$18,515 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
385323462 · Nov 6
$19,316 NZD
$10,708 USD
View
12 more retailers have this diamond
Prices start from $11,152 NZDSave up to $8,164 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.

B+
1.30ct Round
$11,152 NZD