Round|Natural|GIA

1.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3525014482

Certificate GIA 3525014482

Diamond specifications and retailer prices

From $4,497 USD
As of October 30, 2026
Save $4,215 USD (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,044 USD at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3525014482. Listed at 19 retailers as of October 29, 2026, with a 94% 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3525014482
Dimensions7.43 × 7.45 × 4.52 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.43 mm7.45 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3525014482
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

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: Oct 30
Current: $4,566 USD|Low: $4,497 USD|High: $9,282 USD|Avg: $5,808 USD|-16.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$4,497 USD
Retailer 1$4,566 USD
Retailer 11$4,693 USD
Retailer 12$4,918 USD
Retailer 13$5,046 USD
Retailer 4$5,670 USD
Retailer 8$5,755 USD
Retailer 2$6,020 USD
Retailer 10$6,020 USD
Retailer 3$6,220 USD
Retailer 6$6,362 USD
Retailer 7$6,381 USD
Retailer 9$8,712 USD

31 data points across 13 retailers

19 retailers$4,497 USD to $8,712 USD

A
Cheapest Retailer
-
$4,497 USD
A
Retailer 2
-
$4,566 USD
View
A
Retailer 3
-
$4,693 USD
View
A
Retailer 4
-
$4,918 USD
View
Final sale: no returns
A
Retailer 5
-
$5,046 USD
CA$7,008 CAD
View
Retailer 6
-
$5,441 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$5,640 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
$5,670 USD
View
B+
Retailer 9
-
$5,755 USD
£4,531 GBP
View
B+
Retailer 10
-
$6,020 USD
View
B+
Retailer 11
-
$6,020 USD
View
B+
Retailer 12
-
$6,220 USD
View
Retailer 13
-
$6,278 USD
View
Price last confirmed 60 days ago
Retailer 14
-
$6,278 USD
View
Price last confirmed 21 days ago
B+
Retailer 15
-
$6,362 USD
€6,059 EUR
View
B+
Retailer 16
-
$6,381 USD
£5,024 GBP
View
B
Retailer 17
-
$8,712 USD
£6,860 GBP
View
Retailer 18
-
$10,044 USD
View
Price last confirmed 59 days ago
Most Expensive
NZ Jewellers
d86ff38d-c0f1-4312-a8a4-3d75c28ee2c5 · Sep 28
$10,044 USD
View
Price last confirmed 32 days ago
18 more retailers have this diamond
Prices start from $4,497 USDSave up to $4,215 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
$4,497 USD