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Round|Natural|GIA

1.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1569725856

Certificate GIA 1569725856

Diamond specifications and retailer prices

From $2,841 USD
As of November 4, 2026
Save $969 USD (25%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,350 USD at With Clarity · As of October 29, 2026
View at With Clarity

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 1569725856. Listed at 6 retailers as of November 4, 2026, with a 34% 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1569725856
Dimensions7.29 × 7.34 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.29 mm7.34 mm1.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569725856
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,940 USD|Low: $2,816 USD|High: $5,350 USD|Avg: $3,488 USD|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
November 5, 2026
Retailer 2$2,841 USD
Retailer 1$2,940 USD
Retailer 3$3,053 USD
Retailer 5$3,390 USD
Retailer 4$3,810 USD
With Clarity$5,350 USD

7 data points across 6 retailers

6 retailers$2,841 USD to $3,810 USD

A
Cheapest Retailer
-
$2,841 USD
A
Retailer 2
-
$2,940 USD
View
A
Retailer 3
-
$3,053 USD
View
A
Retailer 4
-
$3,390 USD
View
B+
Retailer 5
-
$3,810 USD
View
Most Expensive
With Clarity
1569725856 · Oct 29
$5,350 USD
View
Price last confirmed 8 days ago
5 more retailers have this diamond
Prices start from $2,841 USDSave up to $969 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.

A
1.53ct Round
$2,841 USD