Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1509060220

Certificate GIA 1509060220

Diamond specifications and retailer prices

From $11,477 USD
As of November 6, 2026
Save $7,369 USD (39%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $18,846 USD 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 $11,477 to $18,846, a $7,369 spread on the same certified stone. NZ Jewellers lists it at $18,846. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $18,846 USD|Low: $11,477 USD|High: $18,846 USD|Avg: $14,415 USD
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$11,477 USD
Retailer 9$11,581 USD
Retailer 3$12,297 USD
Retailer 11$12,482 USD
Retailer 2$12,758 USD
Retailer 10$13,314 USD
Retailer 8$14,042 USD
Retailer 6$14,137 USD
Retailer 4$16,497 USD
Retailer 7$17,365 USD
NZ Jewellers$18,846 USD

44 data points across 11 retailers

11 retailers$11,477 USD to $18,846 USD

B+
Cheapest Retailer
-
$11,477 USD
B+
Retailer 2
-
$11,581 USD
View
Retailer 3
-
$12,297 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$12,482 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$12,758 USD
View
B
Retailer 6
-
$13,314 USD
View
B
Retailer 7
-
$14,042 USD
View
B
Retailer 8
-
$14,137 USD
View
B
Retailer 9
-
$16,497 USD
View
B
Retailer 10
-
$17,365 USD
View
Most Expensive
B
NZ Jewellers
313723fd-1d11-4e15-b394-fc24510bc0d4 · Nov 5
$18,846 USD
View
10 more retailers have this diamond
Prices start from $11,477 USDSave up to $7,369 USD

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
$11,477 USD