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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2245095616

Certificate GIA 2245095616

Diamond specifications and retailer prices

From $7,925 AUD
As of November 7, 2026
Save $7,210 AUD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,135 AUD at NZ Jewellers · As of November 7, 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 GIA 2245095616. Listed at 15 retailers as of November 7, 2026, with prices from $7,925 to $15,135, a $7,210 spread on the same certified stone. NZ Jewellers lists it at $15,135. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2245095616
Dimensions7.28 × 7.33 × 4.58 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
7.28 mm7.33 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245095616
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 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 7
Current: $15,135 AUD|Low: $7,925 AUD|High: $15,135 AUD|Avg: $10,063 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 2$7,925 AUD
Retailer 7$8,351 AUD
Retailer 13$8,539 AUD
Retailer 3$8,638 AUD
Retailer 5$9,048 AUD
Retailer 6$9,048 AUD
Retailer 15$9,050 AUD
Retailer 11$9,230 AUD
Retailer 9$9,316 AUD
Retailer 10$9,606 AUD
Retailer 4$10,441 AUD
Retailer 14$11,041 AUD
Retailer 8$11,256 AUD
Retailer 12$13,259 AUD
NZ Jewellers$15,135 AUD

17 data points across 15 retailers

15 retailers$7,925 AUD to $15,135 AUD

A
Cheapest Retailer
-
$7,925 AUD
B+
Retailer 2
-
$8,351 AUD
View
Final sale: no returns
A
Retailer 3
-
$8,539 AUD
View
B+
Retailer 4
-
$8,638 AUD
View
B+
Retailer 5
-
$9,048 AUD
View
B+
Retailer 6
-
$9,048 AUD
View
B+
Retailer 7
-
$9,050 AUD
View
B+
Retailer 8
-
$9,230 AUD
View
B+
Retailer 9
-
$9,316 AUD
View
B+
Retailer 10
-
$9,606 AUD
View
B+
Retailer 11
-
$10,441 AUD
View
B
Retailer 12
-
$11,041 AUD
View
B+
Retailer 13
-
$11,256 AUD
View
B
Retailer 14
-
$13,259 AUD
View
Most Expensive
B
NZ Jewellers
4e32699a-378c-4daf-ac9e-4a330651a552 · Nov 7
$15,135 AUD
$10,399 USD
View
14 more retailers have this diamond
Prices start from $7,925 AUDSave up to $7,210 AUD

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
$7,925 AUD