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Round|Natural|GIA

0.90ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6481481864

Certificate GIA 6481481864

Diamond specifications and retailer prices

From $1,805 SGD
As of November 5, 2026
Save $3,459 SGD (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,404 SGD at NZ Jewellers · As of November 5, 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 6481481864. Listed at 21 retailers as of November 5, 2026, with a 192% 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6481481864
Dimensions6.14 × 6.09 × 3.83 mm
L/W Ratio1.01
Top View
6.14 mm6.09 mm0.90 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6481481864
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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 5
Current: $5,404 SGD|Low: $1,805 SGD|High: $5,404 SGD|Avg: $2,690 SGD
NZ Jewellers
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
Retailer 20
Retailer 21
November 6, 2026
Retailer 12$1,805 SGD
Retailer 19$1,820 SGD
Retailer 9$1,844 SGD
Retailer 17$1,861 SGD
Retailer 14$1,880 SGD
Retailer 11$1,936 SGD
Retailer 5$2,008 SGD
Retailer 10$2,008 SGD
Retailer 8$2,100 SGD
Retailer 4$2,105 SGD
Retailer 20$2,114 SGD
Retailer 6$2,307 SGD
Retailer 3$2,316 SGD
Retailer 13$2,445 SGD
Retailer 7$2,523 SGD
Retailer 16$2,800 SGD
Retailer 21$3,170 SGD
Retailer 15$3,244 SGD
Retailer 18$3,871 SGD
Retailer 2$5,264 SGD
NZ Jewellers$5,404 SGD

40 data points across 21 retailers

21 retailers$1,805 SGD to $5,264 SGD

B+
Cheapest Retailer
-
$1,805 SGD
B+
Retailer 2
-
$1,820 SGD
View
B+
Retailer 3
-
$1,844 SGD
View
B+
Retailer 4
-
$1,861 SGD
View
B+
Retailer 5
-
$1,880 SGD
View
B+
Retailer 6
-
$1,936 SGD
View
Retailer 7
-
$2,008 SGD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$2,008 SGD
View
B
Retailer 9
-
$2,100 SGD
View
B+
Retailer 10
-
$2,105 SGD
View
B+
Retailer 11
-
$2,114 SGD
View
B
Retailer 12
-
$2,307 SGD
View
B
Retailer 13
-
$2,316 SGD
View
B
Retailer 14
-
$2,445 SGD
View
B
Retailer 15
-
$2,523 SGD
View
B
Retailer 16
-
$2,800 SGD
View
B
Retailer 17
-
$3,170 SGD
View
B
Retailer 18
-
$3,244 SGD
View
B
Retailer 19
-
$3,871 SGD
View
B
Retailer 20
-
$5,264 SGD
View
Most Expensive
NZ Jewellers
7a3fd199-cdba-4047-bfc5-107a6c8ce558 · Nov 5
$5,404 SGD
$4,231 USD
View
Price under review
20 more retailers have this diamond
Prices start from $1,805 SGDSave up to $3,459 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.

B+
0.90ct Round
$1,805 SGD