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Round|Natural|GIA

1.05ct H I1 Round Natural Diamond

EX • H/I1 • GIA 6425595989

Certificate GIA 6425595989

Diamond specifications and retailer prices

From $3,334 NZD
$1,876 USD
As of November 1, 2026
Save $4,381 NZD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,715 NZD at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6425595989. Listed at 7 retailers as of October 30, 2026, with prices from $3,334 to $7,715, a $4,381 spread on the same certified stone. NZ Jewellers lists it at $7,715. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6425595989
Dimensions6.49 × 6.46 × 4.04 mm
L/W Ratio1.00
Top View
6.49 mm6.46 mm1.05 ctH / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6425595989
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 1
Current: $7,715 NZD|Low: $3,334 NZD|High: $7,715 NZD|Avg: $4,406 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9$3,334 NZD
Retailer 7$3,482 NZD
Retailer 4$3,690 NZD
Retailer 6$3,690 NZD
Retailer 3$3,860 NZD
Retailer 5$4,258 NZD
Retailer 8$4,391 NZD
Retailer 10$4,500 NZD
Retailer 2$5,018 NZD
NZ Jewellers$7,715 NZD

21 data points across 10 retailers

7 retailers$3,334 NZD to $7,715 NZD

B+
Cheapest Retailer
-
$3,334 NZD
$1,876 USD
B+
Retailer 2
-
$3,690 NZD
$2,076 USD
View
B+
Retailer 3
-
$3,690 NZD
$2,076 USD
View
B+
Retailer 4
-
$3,860 NZD
$2,172 USD
View
B
Retailer 5
-
$4,258 NZD
$2,396 USD
View
B
Retailer 6
-
$5,018 NZD
€2,689 EUR
View
Most Expensive
B
NZ Jewellers
c4d2fe79-2c19-4ff9-bc90-d82f61b0973f · Oct 30
$7,715 NZD
$4,341 USD
View
6 more retailers have this diamond
Prices start from $3,334 NZDSave up to $4,381 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
$3,334 NZD