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Round|Natural|GIA

0.90ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7528296951

Certificate GIA 7528296951

Diamond specifications and retailer prices

From $1,114 NZD
As of November 5, 2026
Save $2,318 NZD (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,093 NZD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7528296951. Listed at 25 retailers as of November 5, 2026, with a 208% 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

0.90
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7528296951
Dimensions6.17 × 6.15 × 3.80 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Cert comments
Crystal, Feather
Top View
6.17 mm6.15 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7528296951
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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 5
Current: $3,431 NZD|Low: $1,114 NZD|High: $3,625 NZD|Avg: $1,815 NZD|-5.2%
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
November 6, 2026
Retailer 13$1,114 NZD
Retailer 8$1,138 NZD
Retailer 15$1,219 NZD
Retailer 16$1,466 NZD
Retailer 5$1,485 NZD
Retailer 3$1,500 NZD
Retailer 7$1,509 NZD
Retailer 9$1,569 NZD
Retailer 6$1,596 NZD
Retailer 4$1,679 NZD
Retailer 10$1,711 NZD
Retailer 12$1,738 NZD
Retailer 11$1,955 NZD
Retailer 14$2,115 NZD
Retailer 2$2,642 NZD
Retailer 1$3,431 NZD

19 data points across 16 retailers

25 retailers$1,114 NZD to $3,431 NZD

A
Cheapest Retailer
-
$1,114 NZD
A
Retailer 2
-
$1,138 NZD
View
A
Retailer 3
-
$1,219 NZD
View
A
Retailer 4
-
$1,466 NZD
View
A
Retailer 5
-
$1,485 NZD
View
A
Retailer 6
-
$1,500 NZD
View
Retailer 7
-
$1,509 NZD
View
Price last confirmed 8 days ago
Retailer 8
-
$1,555 NZD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$1,569 NZD
View
A
Retailer 10
-
$1,596 NZD
View
Retailer 11
-
$1,624 NZD
View
Price last confirmed 34 days ago
A
Retailer 12
-
$1,679 NZD
View
Retailer 13
-
$1,710 NZD
View
Price last confirmed 38 days ago
A
Retailer 14
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$1,711 NZD
View
A
Retailer 15
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$1,738 NZD
View
Retailer 16
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$1,795 NZD
View
Price last confirmed 26 days ago
Retailer 17
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$1,830 NZD
View
Price last confirmed 109 days ago
Retailer 18
-
$1,873 NZD
View
Price last confirmed 35 days ago
A
Retailer 19
-
$1,955 NZD
View
A
Retailer 20
-
$2,115 NZD
View
B+
Retailer 21
-
$2,229 NZD
View
B+
Retailer 22
-
$2,642 NZD
View
B
Retailer 23
-
$3,431 NZD
View
Retailer 24
-
$4,876 NZD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
10c355bf-e290-436c-ba36-dc7ee543beee · Oct 3
$5,093 NZD
$2,863 USD
View
Price last confirmed 34 days ago
24 more retailers have this diamond
Prices start from $1,114 NZDSave up to $2,318 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
0.90ct Round
$1,114 NZD