Round|Natural|GIA

1.53ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7531777542

Certificate GIA 7531777542

Diamond specifications and retailer prices

From $15,903 NZD
As of November 5, 2026
Save $7,300 NZD (31%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $26,508 NZD at NZ Jewellers · As of October 20, 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 7531777542. Listed at 16 retailers as of November 5, 2026, with a 46% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7531777542
Dimensions7.41 × 7.45 × 4.53 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.41 mm7.45 mm1.53 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7531777542
Side View
Table 58.0%Crown 34.5°GirdlePavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $26,508 NZD|Low: $14,579 NZD|High: $26,508 NZD|Avg: $19,376 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
November 6, 2026
Retailer 11$15,903 NZD
Retailer 5$15,905 NZD
Retailer 2$17,101 NZD
Retailer 13$17,231 NZD
Retailer 9$17,460 NZD
Retailer 12$17,496 NZD
Retailer 4$19,881 NZD
Retailer 8$19,883 NZD
Retailer 3$20,608 NZD
Retailer 6$20,610 NZD
Retailer 7$23,204 NZD
Retailer 10$24,973 NZD
NZ Jewellers$26,508 NZD

33 data points across 13 retailers

16 retailers$15,903 NZD to $23,204 NZD

Retailer 1
-
$14,891 NZD
Price last confirmed 14 days ago
B+
Retailer 2
-
$15,903 NZD
View
Final sale: no returns
Retailer 3
-
$15,905 NZD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$17,101 NZD
View
Retailer 5
-
$17,231 NZD
View
Price last confirmed 15 days ago
Retailer 6
-
$17,460 NZD
View
Price last confirmed 15 days ago
Retailer 7
-
$17,496 NZD
View
Price last confirmed 15 days ago
B
Retailer 8
-
$18,991 NZD
View
Retailer 9
-
$19,881 NZD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
$19,883 NZD
View
Retailer 11
-
$20,608 NZD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$20,610 NZD
View
Retailer 13
-
$20,934 NZD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$23,204 NZD
View
Retailer 15
-
$24,973 NZD
View
Price last confirmed 16 days ago
Most Expensive
NZ Jewellers
be851e44-a0bb-42f1-91a5-43aeb3674939 · Oct 20
$26,508 NZD
$14,695 USD
View
Price last confirmed 16 days ago
15 more retailers have this diamond
Prices start from $15,903 NZDSave up to $7,300 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.

B+
1.53ct Round
$15,903 NZD