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Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7568399228

Certificate GIA 7568399228

Diamond specifications and retailer prices

From $3,520 NZD
HK$15,500 HKD
As of November 1, 2026
Save $4,581 NZD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,773 NZD at NZ Jewellers · As of September 27, 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 7568399228. Listed at 22 retailers as of November 1, 2026, with a 130% 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
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7568399228
Dimensions6.32 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.32 mm6.36 mm1.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7568399228
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: Nov 1
Current: $4,871 NZD|Low: $3,361 NZD|High: $9,721 NZD|Avg: $4,938 NZD|-13.6%
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
November 2, 2026
Retailer 9$3,512 NZD
Retailer 15$3,520 NZD
Retailer 4$3,783 NZD
Retailer 2$3,866 NZD
Retailer 18$3,868 NZD
Retailer 17$4,178 NZD
Retailer 12$4,449 NZD
Retailer 7$4,613 NZD
Retailer 3$4,826 NZD
Retailer 5$4,826 NZD
Retailer 1$4,871 NZD
Retailer 6$4,986 NZD
Retailer 10$5,238 NZD
Retailer 8$5,335 NZD
Retailer 11$5,395 NZD
Retailer 14$5,656 NZD
Retailer 16$5,683 NZD
Retailer 13$8,101 NZD

27 data points across 18 retailers

22 retailers$3,520 NZD to $8,101 NZD

Retailer 1
-
$3,512 NZD
₹188,491 INR
Price last confirmed 17 days ago
A
Retailer 2
-
$3,520 NZD
HK$15,500 HKD
View
A
Retailer 3
-
$3,783 NZD
$2,132 USD
View
A
Retailer 4
-
$3,866 NZD
$2,179 USD
View
Final sale: no returns
A
Retailer 5
-
$3,868 NZD
$2,180 USD
View
A
Retailer 6
-
$4,178 NZD
$2,355 USD
View
B+
Retailer 7
-
$4,449 NZD
£1,974 GBP
View
Retailer 8
-
$4,457 NZD
$2,512 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$4,613 NZD
SGD 3,513 SGD
View
Price last confirmed 17 days ago
Retailer 10
-
$4,675 NZD
$2,635 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
$4,826 NZD
$2,720 USD
View
B+
Retailer 12
-
$4,826 NZD
$2,720 USD
View
B+
Retailer 13
-
$4,871 NZD
£2,162 GBP
View
B+
Retailer 14
-
$4,986 NZD
$2,810 USD
View
Retailer 15
-
$5,238 NZD
A$4,542 AUD
View
Price last confirmed 25 days ago
Retailer 16
-
$5,394 NZD
$3,040 USD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$5,395 NZD
€2,896 EUR
View
B
Retailer 18
-
$5,656 NZD
$3,188 USD
View
B
Retailer 19
-
$5,683 NZD
ZAR 51,743 ZAR
View
B
Retailer 20
-
$8,101 NZD
£3,595 GBP
View
Retailer 21
-
$9,666 NZD
$5,448 USD
View
Price last confirmed 22 days ago
Most Expensive
NZ Jewellers
687b4def-724a-4ca4-bfe8-55c3a360bab6 · Sep 27
$9,773 NZD
$5,508 USD
View
Price last confirmed 36 days ago
21 more retailers have this diamond
Prices start from $3,520 NZDSave up to $4,581 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
$3,520 NZD