Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552615902

Certificate GIA 6552615902

Diamond specifications and retailer prices

From $3,361 NZD
HK$14,800 HKD
As of October 29, 2026
Save $2,088 NZD (38%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,493 NZD at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552615902. Listed at 24 retailers as of October 29, 2026, with a 62% 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

1.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552615902
Dimensions6.34 × 6.40 × 3.91 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.34 mm6.40 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552615902
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.4%

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 29
Current: $3,868 NZD|Low: $3,268 NZD|High: $8,051 NZD|Avg: $4,766 NZD|-8.9%
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
Retailer 18
Retailer 19
October 30, 2026
Retailer 14$3,361 NZD
Retailer 7$3,386 NZD
Retailer 2$3,648 NZD
Retailer 16$3,728 NZD
Retailer 1$3,868 NZD
Retailer 18$4,099 NZD
Retailer 4$4,249 NZD
Retailer 15$4,313 NZD
Retailer 8$4,613 NZD
Retailer 17$4,649 NZD
Retailer 19$4,649 NZD
Retailer 3$4,808 NZD
Retailer 12$4,912 NZD
Retailer 11$5,087 NZD
Retailer 5$5,203 NZD
Retailer 6$5,238 NZD
Retailer 13$5,449 NZD
Retailer 10$5,514 NZD
Retailer 9$7,894 NZD

25 data points across 19 retailers

24 retailers$3,361 NZD to $5,449 NZD

A
Cheapest Retailer
-
$3,361 NZD
HK$14,800 HKD
Retailer 2
-
$3,386 NZD
₹181,736 INR
View
Price last confirmed 17 days ago
A
Retailer 3
-
$3,575 NZD
$2,015 USD
View
A
Retailer 4
-
$3,648 NZD
$2,056 USD
View
A
Retailer 5
-
$3,728 NZD
$2,101 USD
View
Final sale: no returns
A
Retailer 6
-
$3,868 NZD
$2,180 USD
View
A
Retailer 7
-
$4,099 NZD
$2,310 USD
View
B+
Retailer 8
-
$4,249 NZD
$2,395 USD
View
B+
Retailer 9
-
$4,313 NZD
£1,914 GBP
View
B+
Retailer 10
-
$4,434 NZD
$2,499 USD
View
Retailer 11
-
$4,457 NZD
$2,512 USD
View
Price last confirmed 17 days ago
Retailer 12
-
$4,613 NZD
SGD 3,513 SGD
View
Price last confirmed 17 days ago
Retailer 13
-
$4,624 NZD
$2,606 USD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$4,649 NZD
$2,620 USD
View
B+
Retailer 15
-
$4,649 NZD
$2,620 USD
View
B+
Retailer 16
-
$4,808 NZD
$2,710 USD
View
B+
Retailer 17
-
$4,912 NZD
£2,180 GBP
View
Retailer 18
-
$5,087 NZD
A$4,411 AUD
View
Price last confirmed 25 days ago
Retailer 19
-
$5,240 NZD
$2,953 USD
View
Price last confirmed 34 days ago
B+
Retailer 20
-
$5,449 NZD
$3,071 USD
View
Retailer 21
-
$5,514 NZD
ZAR 50,202 ZAR
View
Price last confirmed 21 days ago
Retailer 22
-
$7,894 NZD
£3,503 GBP
View
Price last confirmed 18 days ago
Retailer 23
-
$9,493 NZD
$5,350 USD
View
Price last confirmed 34 days ago
Most Expensive
NZ Jewellers
31f90981-d8e1-4b67-a371-643a28bf8e65 · Oct 6
$9,493 NZD
$5,350 USD
View
Price last confirmed 27 days ago
23 more retailers have this diamond
Prices start from $3,361 NZDSave up to $2,088 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
1.00ct Round
$3,361 NZD