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Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1565648336

Certificate GIA 1565648336

Diamond specifications and retailer prices

From $7,825 NZD
SGD 5,960 SGD
As of October 31, 2026
Save $8,099 NZD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,924 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 1565648336. Listed at 15 retailers as of October 30, 2026, with prices from $7,825 to $15,924, a $8,099 spread on the same certified stone. NZ Jewellers lists it at $15,924. 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
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1565648336
Dimensions7.31 × 7.38 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Feather
Top View
7.31 mm7.38 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565648336
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: $15,924 NZD|Low: $8,304 NZD|High: $15,924 NZD|Avg: $10,594 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
October 31, 2026
Retailer 13$8,304 NZD
Retailer 14$8,616 NZD
Retailer 6$8,861 NZD
Retailer 3$8,925 NZD
Retailer 7$9,182 NZD
Retailer 4$9,336 NZD
Retailer 5$9,521 NZD
Retailer 12$9,521 NZD
Retailer 8$10,593 NZD
Retailer 10$10,986 NZD
Retailer 2$11,476 NZD
Retailer 11$14,148 NZD
Retailer 9$14,949 NZD
NZ Jewellers$15,924 NZD

7 data points across 14 retailers

15 retailers$7,825 NZD to $15,924 NZD

A
Cheapest Retailer
-
$7,825 NZD
SGD 5,960 SGD
A
Retailer 2
-
$8,304 NZD
$4,680 USD
View
A
Retailer 3
-
$8,616 NZD
$4,856 USD
View
Final sale: no returns
A
Retailer 4
-
$8,861 NZD
SGD 6,749 SGD
View
A
Retailer 5
-
$8,925 NZD
$5,030 USD
View
A
Retailer 6
-
$9,182 NZD
£4,075 GBP
View
A
Retailer 7
-
$9,336 NZD
$5,262 USD
View
B+
Retailer 8
-
$9,521 NZD
$5,366 USD
View
B+
Retailer 9
-
$9,521 NZD
$5,366 USD
View
B+
Retailer 10
-
$10,593 NZD
€5,686 EUR
View
B+
Retailer 11
-
$10,986 NZD
$6,192 USD
View
B+
Retailer 12
-
$11,476 NZD
ZAR 104,486 ZAR
View
B
Retailer 13
-
$14,148 NZD
$7,974 USD
View
B
Retailer 14
-
$14,949 NZD
£6,634 GBP
View
Most Expensive
B
NZ Jewellers
92573329-7ca3-49cf-a45f-afeb468440b1 · Oct 30
$15,924 NZD
$8,975 USD
View
14 more retailers have this diamond
Prices start from $7,825 NZDSave up to $8,099 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
$7,825 NZD