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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 $800 SGD
As of November 5, 2026
Save $1,664 SGD (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,657 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,464 SGD|Low: $800 SGD|High: $2,603 SGD|Avg: $1,303 SGD|-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$800 SGD
Retailer 8$817 SGD
Retailer 15$875 SGD
Retailer 16$1,052 SGD
Retailer 5$1,067 SGD
Retailer 3$1,077 SGD
Retailer 7$1,083 SGD
Retailer 9$1,127 SGD
Retailer 6$1,146 SGD
Retailer 4$1,206 SGD
Retailer 10$1,229 SGD
Retailer 12$1,248 SGD
Retailer 11$1,404 SGD
Retailer 14$1,519 SGD
Retailer 2$1,897 SGD
Retailer 1$2,464 SGD

19 data points across 16 retailers

25 retailers$800 SGD to $2,464 SGD

A
Cheapest Retailer
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$800 SGD
A
Retailer 2
-
$817 SGD
View
A
Retailer 3
-
$875 SGD
View
A
Retailer 4
-
$1,052 SGD
View
A
Retailer 5
-
$1,067 SGD
View
A
Retailer 6
-
$1,077 SGD
View
Retailer 7
-
$1,083 SGD
View
Price last confirmed 8 days ago
Retailer 8
-
$1,116 SGD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$1,127 SGD
View
A
Retailer 10
-
$1,146 SGD
View
Retailer 11
-
$1,166 SGD
View
Price last confirmed 34 days ago
A
Retailer 12
-
$1,206 SGD
View
Retailer 13
-
$1,227 SGD
View
Price last confirmed 38 days ago
A
Retailer 14
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$1,229 SGD
View
A
Retailer 15
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$1,248 SGD
View
Retailer 16
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$1,289 SGD
View
Price last confirmed 26 days ago
Retailer 17
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$1,314 SGD
View
Price last confirmed 109 days ago
Retailer 18
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$1,345 SGD
View
Price last confirmed 35 days ago
A
Retailer 19
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$1,404 SGD
View
A
Retailer 20
-
$1,519 SGD
View
B+
Retailer 21
-
$1,600 SGD
View
B+
Retailer 22
-
$1,897 SGD
View
B
Retailer 23
-
$2,464 SGD
View
Retailer 24
-
$3,501 SGD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
10c355bf-e290-436c-ba36-dc7ee543beee · Oct 3
$3,657 SGD
$2,863 USD
View
Price last confirmed 34 days ago
24 more retailers have this diamond
Prices start from $800 SGDSave up to $1,664 SGD

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
$800 SGD