Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7523712213

Certificate GIA 7523712213

Diamond specifications and retailer prices

From $9,317 NZD
$5,233 USD
As of October 28, 2026
Save $8,146 NZD (47%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,721 NZD at NZ Jewellers · As of October 3, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7523712213. Listed at 22 retailers as of October 28, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7523712213
Dimensions6.96 × 6.93 × 4.36 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.96 mm6.93 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7523712213
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Oct 28
Current: $11,199 NZD|Low: $9,038 NZD|High: $17,581 NZD|Avg: $12,026 NZD|-0.7%
Retailer 1
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
October 29, 2026
Retailer 2$9,317 NZD
Retailer 4$9,522 NZD
Retailer 11$9,859 NZD
Retailer 15$9,962 NZD
Retailer 6$10,536 NZD
Retailer 1$11,199 NZD
Retailer 8$11,306 NZD
Retailer 9$11,411 NZD
Retailer 14$11,563 NZD
Retailer 7$11,823 NZD
Retailer 13$12,814 NZD
Retailer 5$12,999 NZD
Retailer 3$14,217 NZD
Retailer 12$16,552 NZD
Retailer 10$17,464 NZD

12 data points across 15 retailers

22 retailers$9,317 NZD to $17,464 NZD

A
Cheapest Retailer
-
$9,317 NZD
$5,233 USD
A
Retailer 2
-
$9,522 NZD
$5,348 USD
View
B+
Retailer 3
-
$9,859 NZD
$5,537 USD
View
Final sale: no returns
B+
Retailer 4
-
$9,962 NZD
$5,595 USD
View
B+
Retailer 5
-
$10,681 NZD
$5,999 USD
View
B+
Retailer 6
-
$10,681 NZD
$5,999 USD
View
B+
Retailer 7
-
$10,681 NZD
$5,999 USD
View
B+
Retailer 8
-
$10,681 NZD
$5,999 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$11,199 NZD
£4,953 GBP
View
B+
Retailer 10
-
$11,306 NZD
$6,350 USD
View
B+
Retailer 11
-
$11,306 NZD
$6,350 USD
View
Price last confirmed 22 days ago
B+
Retailer 12
-
$11,411 NZD
£5,046 GBP
View
B+
Retailer 13
-
$11,449 NZD
$6,430 USD
View
B+
Retailer 14
-
$11,449 NZD
$6,430 USD
View
B+
Retailer 15
-
$11,563 NZD
A$9,991 AUD
View
Price last confirmed 25 days ago
B+
Retailer 16
-
$11,823 NZD
$6,640 USD
View
B+
Retailer 17
-
$12,325 NZD
$6,922 USD
View
Price last confirmed 30 days ago
B+
Retailer 18
-
$12,814 NZD
€6,854 EUR
View
B+
Retailer 19
-
$12,999 NZD
$7,301 USD
View
Price last confirmed 23 days ago
B
Retailer 20
-
$16,552 NZD
£7,320 GBP
View
B
Retailer 21
-
$17,464 NZD
£7,723 GBP
View
Most Expensive
B
NZ Jewellers
e07d50eb-a8b2-47c4-b07d-53fb40714e4b · Oct 3
$19,721 NZD
$11,076 USD
View
Price last confirmed 26 days ago
21 more retailers have this diamond
Prices start from $9,317 NZDSave up to $8,146 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
$9,317 NZD