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Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2557431474

Certificate GIA 2557431474

Diamond specifications and retailer prices

From $13,946 NZD
As of November 4, 2026
Save $11,534 NZD (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $25,480 NZD at NZ Jewellers · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557431474. Listed at 17 retailers as of November 4, 2026, with prices from $13,946 to $25,480, a $11,534 spread on the same certified stone. NZ Jewellers lists it at $25,480. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557431474
Dimensions7.35 × 7.40 × 4.61 mm
L/W Ratio1.01
Top View
7.35 mm7.40 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557431474
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41.2°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: Nov 4
Current: $25,480 NZD|Low: $13,946 NZD|High: $25,480 NZD|Avg: $18,826 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 6, 2026
Retailer 3$13,946 NZD
Retailer 2$14,184 NZD
Retailer 15$15,800 NZD
Retailer 11$16,426 NZD
Retailer 5$16,722 NZD
Retailer 14$16,783 NZD
Retailer 13$16,875 NZD
Retailer 8$18,283 NZD
Retailer 16$18,562 NZD
Retailer 7$18,697 NZD
Retailer 10$19,112 NZD
Retailer 4$19,116 NZD
Retailer 6$21,095 NZD
Retailer 9$22,303 NZD
Retailer 12$23,811 NZD
NZ Jewellers$25,480 NZD

31 data points across 16 retailers

17 retailers$13,946 NZD to $25,480 NZD

A
Cheapest Retailer
-
$13,946 NZD
A
Retailer 2
-
$14,184 NZD
View
Retailer 3
-
$15,571 NZD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$15,800 NZD
View
B+
Retailer 5
-
$16,426 NZD
View
B+
Retailer 6
-
$16,722 NZD
View
Retailer 7
-
$16,783 NZD
View
Price last confirmed 14 days ago
Retailer 8
-
$16,875 NZD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$18,283 NZD
View
B+
Retailer 10
-
$18,562 NZD
View
B+
Retailer 11
-
$18,697 NZD
View
B+
Retailer 12
-
$19,112 NZD
View
B+
Retailer 13
-
$19,116 NZD
View
B+
Retailer 14
-
$21,095 NZD
View
B+
Retailer 15
-
$22,303 NZD
View
B
Retailer 16
-
$23,811 NZD
View
Most Expensive
B
NZ Jewellers
11925df7-eea8-420a-ac7c-04b9c4472036 · Nov 5
$25,480 NZD
$14,125 USD
View
16 more retailers have this diamond
Prices start from $13,946 NZDSave up to $11,534 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
$13,946 NZD