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Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1513572381

Certificate GIA 1513572381

Diamond specifications and retailer prices

From $16,509 NZD
£7,327 GBP
As of October 31, 2026
Save $10,831 NZD (40%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $27,340 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1513572381. Listed at 17 retailers as of October 30, 2026, with prices from $16,509 to $27,340, a $10,831 spread on the same certified stone. NZ Jewellers lists it at $27,340. 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

1.50
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1513572381
Dimensions7.32 × 7.27 × 4.55 mm
L/W Ratio1.01
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.32 mm7.27 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1513572381
Side View
Table 59.0%Crown 35°Girdle: ThickPavilion 41.4°Culet: NoneDepth 62.3%

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: Oct 31
Current: $16,509 NZD|Low: $16,409 NZD|High: $25,483 NZD|Avg: $19,669 NZD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 1$16,509 NZD
Retailer 5$16,545 NZD
Retailer 6$18,107 NZD
Retailer 3$19,889 NZD
Retailer 2$20,668 NZD
Retailer 4$25,314 NZD

43 data points across 6 retailers

17 retailers$16,509 NZD to $27,340 NZD

B+
Cheapest Retailer
-
$16,509 NZD
£7,327 GBP
B+
Retailer 2
-
$16,545 NZD
$9,325 USD
View
B+
Retailer 3
-
$16,801 NZD
$9,469 USD
View
B+
Retailer 4
-
$17,197 NZD
$9,692 USD
View
B+
Retailer 5
-
$18,107 NZD
$10,205 USD
View
B+
Retailer 6
-
$18,107 NZD
$10,205 USD
View
Final sale: no returns
B+
Retailer 7
-
$18,524 NZD
$10,440 USD
View
B+
Retailer 8
-
$18,524 NZD
$10,440 USD
View
B+
Retailer 9
-
$19,145 NZD
$10,790 USD
View
B+
Retailer 10
-
$19,617 NZD
$11,056 USD
View
B+
Retailer 11
-
$19,889 NZD
£8,826 GBP
View
B+
Retailer 12
-
$19,918 NZD
$11,226 USD
View
B+
Retailer 13
-
$20,073 NZD
$11,313 USD
View
B+
Retailer 14
-
$20,668 NZD
€11,094 EUR
View
B
Retailer 15
-
$22,633 NZD
$12,756 USD
View
B
Retailer 16
-
$25,314 NZD
£11,234 GBP
View
Most Expensive
B
NZ Jewellers
5e17d968-6c57-444d-b847-576e41470c71 · Oct 30
$27,340 NZD
$15,409 USD
View
16 more retailers have this diamond
Prices start from $16,509 NZDSave up to $10,831 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+
1.50ct Round
$16,509 NZD