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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1463135785

Certificate GIA 1463135785

Diamond specifications and retailer prices

From $6,061 NZD
As of November 4, 2026
Save $6,916 NZD (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $17,818 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 1463135785. Listed at 15 retailers as of November 4, 2026, with a 114% 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
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1463135785
Dimensions6.51 × 6.49 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.51 mm6.49 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1463135785
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 4
Current: $7,454 NZD|Low: $5,192 NZD|High: $12,977 NZD|Avg: $8,488 NZD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$6,061 NZD
Retailer 8$6,229 NZD
Retailer 7$6,341 NZD
Retailer 10$7,008 NZD
Retailer 1$7,454 NZD
Retailer 9$7,986 NZD
Retailer 6$8,395 NZD
Retailer 3$9,092 NZD
Retailer 4$12,423 NZD
Retailer 2$12,977 NZD

45 data points across 10 retailers

15 retailers$6,061 NZD to $12,977 NZD

B+
Cheapest Retailer
-
$6,061 NZD
B+
Retailer 2
-
$6,229 NZD
View
Final sale: no returns
B+
Retailer 3
-
$6,341 NZD
View
Retailer 4
-
$6,748 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$6,748 NZD
View
B
Retailer 6
-
$7,008 NZD
View
B
Retailer 7
-
$7,454 NZD
View
B
Retailer 8
-
$7,786 NZD
View
Retailer 9
-
$7,986 NZD
View
Price last confirmed 33 days ago
B
Retailer 10
-
$8,395 NZD
View
Retailer 11
-
$8,428 NZD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$9,092 NZD
View
B
Retailer 13
-
$12,423 NZD
View
B
Retailer 14
-
$12,977 NZD
View
Most Expensive
Diamond Quarter
1.05SI1H14858E06N · Nov 5
$17,818 NZD
£7,778 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $6,061 NZDSave up to $6,916 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
$6,061 NZD