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Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1509060220

Certificate GIA 1509060220

Diamond specifications and retailer prices

From $14,660 SGD
As of November 6, 2026
Save $9,412 SGD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $24,072 SGD at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509060220. Listed at 11 retailers as of November 5, 2026, with prices from $14,660 to $24,072, a $9,412 spread on the same certified stone. NZ Jewellers lists it at $24,072. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1509060220
Dimensions7.40 × 7.42 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.40 mm7.42 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509060220
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 6
Current: $24,072 SGD|Low: $14,660 SGD|High: $24,072 SGD|Avg: $18,412 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$14,660 SGD
Retailer 9$14,792 SGD
Retailer 3$15,707 SGD
Retailer 11$15,943 SGD
Retailer 2$16,296 SGD
Retailer 10$17,006 SGD
Retailer 8$17,936 SGD
Retailer 6$18,057 SGD
Retailer 4$21,072 SGD
Retailer 7$22,180 SGD
NZ Jewellers$24,072 SGD

44 data points across 11 retailers

11 retailers$14,660 SGD to $24,072 SGD

B+
Cheapest Retailer
-
$14,660 SGD
B+
Retailer 2
-
$14,792 SGD
View
Retailer 3
-
$15,707 SGD
View
Price last confirmed 14 days ago
Retailer 4
-
$15,943 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$16,296 SGD
View
B
Retailer 6
-
$17,006 SGD
View
B
Retailer 7
-
$17,936 SGD
View
B
Retailer 8
-
$18,057 SGD
View
B
Retailer 9
-
$21,072 SGD
View
B
Retailer 10
-
$22,180 SGD
View
Most Expensive
B
NZ Jewellers
313723fd-1d11-4e15-b394-fc24510bc0d4 · Nov 5
$24,072 SGD
$18,846 USD
View
10 more retailers have this diamond
Prices start from $14,660 SGDSave up to $9,412 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
$14,660 SGD