Round|Natural|GIA

1.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2225766939

Certificate GIA 2225766939

Diamond specifications and retailer prices

From $5,997 SGD
As of November 4, 2026
Save $5,104 SGD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $12,638 SGD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2225766939. Listed at 9 retailers as of November 4, 2026, with a 85% 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

1.53
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2225766939
Dimensions7.37 × 7.32 × 4.57 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Key to symbols
Crystal, Feather
Top View
7.37 mm7.32 mm1.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2225766939
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.2%

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 4
Current: $7,250 SGD|Low: $5,965 SGD|High: $11,266 SGD|Avg: $7,789 SGD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$5,997 SGD
Retailer 5$6,045 SGD
Retailer 6$6,546 SGD
Retailer 1$7,250 SGD
Retailer 7$8,334 SGD
Retailer 4$9,283 SGD
Retailer 2$11,101 SGD

42 data points across 7 retailers

9 retailers$5,997 SGD to $11,101 SGD

B+
Cheapest Retailer
-
$5,997 SGD
B+
Retailer 2
-
$6,045 SGD
View
B+
Retailer 3
-
$6,545 SGD
View
B+
Retailer 4
-
$6,546 SGD
View
B+
Retailer 5
-
$7,250 SGD
View
Retailer 6
-
$8,334 SGD
View
Price last confirmed 14 days ago
B
Retailer 7
-
$9,283 SGD
View
B
Retailer 8
-
$11,101 SGD
View
Most Expensive
NZ Jewellers
44aba9e6-ac1d-4d15-8d51-6716819aa4bb · Oct 17
$12,638 SGD
$9,894 USD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from $5,997 SGDSave up to $5,104 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+
1.53ct Round
$5,997 SGD