Round|Natural|IGI

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 613373467

Shape and cutting style on the report: Round brilliant

Certificate IGI 613373467

Diamond specifications and retailer prices

From $3,918 USD
As of October 31, 2026
13 retailers carry this diamond
Most expensive: $7,737 USD at NZ Jewellers · As of September 19, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 613373467. Listed at 13 retailers as of October 31, 2026. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 613373467
Dimensions7.32 × 7.38 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.32 mm7.38 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613373467
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.5%

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 31
Current: $3,918 USD|Low: $3,867 USD|High: $7,356 USD|Avg: $4,820 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$3,908 USD
Retailer 1$3,918 USD
Retailer 2$3,980 USD
Retailer 6$4,441 USD
Retailer 9$4,441 USD
Retailer 7$4,561 USD
Retailer 4$4,994 USD
Retailer 5$5,359 USD
Retailer 8$7,306 USD

28 data points across 9 retailers

13 retailers

Retailer 1
-
$3,908 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$3,918 USD
View
Retailer 3
-
$3,980 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$4,202 USD
View
Price last confirmed 97 days ago
Retailer 5
-
$4,441 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$4,441 USD
View
Price last confirmed 39 days ago
Retailer 7
-
$4,561 USD
£3,591 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
$4,563 USD
View
Price last confirmed 16 days ago
Retailer 9
-
$4,994 USD
€4,756 EUR
View
Price last confirmed 10 days ago
Retailer 10
-
$5,124 USD
View
Price last confirmed 40 days ago
Retailer 11
-
$5,359 USD
ZAR 86,583 ZAR
View
Price last confirmed 10 days ago
Retailer 12
-
$7,306 USD
£5,753 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
57435ee5-5f98-4740-983b-2bdd6d5917a4 · Sep 19
$7,737 USD
View
Price last confirmed 43 days ago
12 more retailers have this diamond
Prices start from $3,918 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
$3,918 USD