Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7511532487

Certificate GIA 7511532487

Diamond specifications and retailer prices

From $4,887 NZD
As of November 5, 2026
Save $2,518 NZD (34%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,155 NZD at NZ Jewellers · As of September 21, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7511532487. Listed at 18 retailers as of November 5, 2026, with a 52% 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

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7511532487
Dimensions6.45 × 6.49 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.45 mm6.49 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7511532487
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.6%

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: $7,405 NZD|Low: $3,831 NZD|High: $9,093 NZD|Avg: $5,440 NZD|+34.9%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 3$4,041 NZD
Retailer 17$4,255 NZD
Retailer 16$4,335 NZD
Retailer 6$4,524 NZD
Retailer 12$4,625 NZD
Retailer 5$4,780 NZD
Retailer 7$4,815 NZD
Retailer 4$4,825 NZD
Retailer 11$4,887 NZD
Retailer 8$5,015 NZD
Retailer 15$5,558 NZD
Retailer 9$5,668 NZD
Retailer 13$6,528 NZD
Retailer 10$6,996 NZD
Retailer 1$7,405 NZD
Retailer 14$8,146 NZD
Retailer 2$9,093 NZD

28 data points across 17 retailers

18 retailers$4,887 NZD to $7,405 NZD

Retailer 1
-
$4,041 NZD
Price last confirmed 12 days ago
Retailer 2
-
$4,255 NZD
View
Price last confirmed 16 days ago
Retailer 3
-
$4,335 NZD
View
Price last confirmed 12 days ago
Retailer 4
-
$4,625 NZD
View
Price last confirmed 13 days ago
Retailer 5
-
$4,780 NZD
View
Price last confirmed 14 days ago
Retailer 6
-
$4,815 NZD
View
Price last confirmed 15 days ago
Retailer 7
-
$4,825 NZD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$4,887 NZD
View
Retailer 9
-
$5,179 NZD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$5,273 NZD
View
Retailer 11
-
$5,558 NZD
View
Price last confirmed 16 days ago
Retailer 12
-
$5,668 NZD
View
Price last confirmed 33 days ago
Retailer 13
-
$6,528 NZD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$6,996 NZD
View
B
Retailer 15
-
$7,405 NZD
View
Retailer 16
-
$8,146 NZD
View
Price last confirmed 14 days ago
Retailer 17
-
$9,093 NZD
View
Price last confirmed 16 days ago
Most Expensive
NZ Jewellers
f26449d6-4833-4092-be3e-55f2c9c9e34a · Sep 21
$11,155 NZD
$6,184 USD
View
Price last confirmed 45 days ago
17 more retailers have this diamond
Prices start from $4,887 NZDSave up to $2,518 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+
1.05ct Round
$4,887 NZD