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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7546133863

Certificate GIA 7546133863

Diamond specifications and retailer prices

From $9,475 NZD
$5,340 USD
As of November 1, 2026
Save $11,340 NZD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,814 NZD at NZ Jewellers · As of October 30, 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 7546133863. Listed at 21 retailers as of October 30, 2026, with prices from $9,475 to $20,814, a $11,340 spread on the same certified stone. NZ Jewellers lists it at $20,814. 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 angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7546133863
Dimensions7.47 × 7.43 × 4.49 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.47 mm7.43 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7546133863
Side View
Table 59.0%Crown 32°Girdle: MediumPavilion 41°Culet: NoneDepth 60.2%

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 1
Current: $20,814 NZD|Low: $9,475 NZD|High: $20,814 NZD|Avg: $12,714 NZD
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
Retailer 16
November 1, 2026
Retailer 4$9,475 NZD
Retailer 7$9,833 NZD
Retailer 6$10,404 NZD
Retailer 8$10,486 NZD
Retailer 13$11,274 NZD
Retailer 14$11,274 NZD
Retailer 15$11,274 NZD
Retailer 11$11,856 NZD
Retailer 5$11,932 NZD
Retailer 3$12,079 NZD
Retailer 9$12,800 NZD
Retailer 16$13,009 NZD
Retailer 2$13,539 NZD
Retailer 12$15,291 NZD
Retailer 10$18,336 NZD
NZ Jewellers$20,814 NZD

33 data points across 16 retailers

21 retailers$9,475 NZD to $20,814 NZD

A
Cheapest Retailer
-
$9,475 NZD
$5,340 USD
A
Retailer 2
-
$9,833 NZD
$5,542 USD
View
A
Retailer 3
-
$10,039 NZD
$5,658 USD
View
B+
Retailer 4
-
$10,404 NZD
$5,864 USD
View
Final sale: no returns
B+
Retailer 5
-
$10,486 NZD
$5,910 USD
View
B+
Retailer 6
-
$11,106 NZD
$6,260 USD
View
B+
Retailer 7
-
$11,274 NZD
$6,354 USD
View
B+
Retailer 8
-
$11,274 NZD
$6,354 USD
View
B+
Retailer 9
-
$11,274 NZD
$6,354 USD
View
B+
Retailer 10
-
$11,856 NZD
£5,261 GBP
View
B+
Retailer 11
-
$11,932 NZD
$6,725 USD
View
Retailer 12
-
$11,932 NZD
$6,725 USD
View
Price last confirmed 24 days ago
Retailer 13
-
$12,079 NZD
A$10,474 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$12,733 NZD
$7,177 USD
View
B+
Retailer 15
-
$12,800 NZD
£5,681 GBP
View
B+
Retailer 16
-
$13,009 NZD
$7,332 USD
View
B
Retailer 17
-
$13,539 NZD
€7,267 EUR
View
Retailer 18
-
$13,715 NZD
$7,730 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
$15,291 NZD
ZAR 139,221 ZAR
View
B
Retailer 20
-
$18,336 NZD
£8,137 GBP
View
Most Expensive
B
NZ Jewellers
f4a04218-fbca-43b1-aa79-c7b39ec024e8 · Oct 30
$20,814 NZD
$11,731 USD
View
20 more retailers have this diamond
Prices start from $9,475 NZDSave up to $11,340 NZD

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
$9,475 NZD