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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2536897862

Certificate GIA 2536897862

Diamond specifications and retailer prices

From $7,185 NZD
As of November 6, 2026
Save $8,023 NZD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,208 NZD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2536897862. Listed at 17 retailers as of November 5, 2026, with prices from $7,185 to $15,208, a $8,023 spread on the same certified stone. NZ Jewellers lists it at $15,208. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2536897862
Dimensions7.27 × 7.32 × 4.54 mm
L/W Ratio1.01
Top View
7.27 mm7.32 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2536897862
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NDepth 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: Nov 6
Current: $9,901 NZD|Low: $8,238 NZD|High: $14,655 NZD|Avg: $10,335 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$8,238 NZD
Retailer 2$8,895 NZD
Retailer 1$9,901 NZD
Retailer 4$9,996 NZD
Retailer 5$10,223 NZD
Retailer 3$11,093 NZD
Retailer 6$14,443 NZD

38 data points across 7 retailers

17 retailers$7,185 NZD to $15,208 NZD

B+
Cheapest Retailer
-
$7,185 NZD
B+
Retailer 2
-
$7,667 NZD
View
B+
Retailer 3
-
$7,783 NZD
View
B+
Retailer 4
-
$8,178 NZD
View
Retailer 5
-
$8,238 NZD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$8,238 NZD
View
B+
Retailer 7
-
$8,238 NZD
View
B+
Retailer 8
-
$8,718 NZD
View
B+
Retailer 9
-
$8,895 NZD
View
B
Retailer 10
-
$9,505 NZD
View
B+
Retailer 11
-
$9,901 NZD
View
B+
Retailer 12
-
$9,996 NZD
View
Retailer 13
-
$10,037 NZD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$10,223 NZD
View
B
Retailer 15
-
$11,093 NZD
View
B
Retailer 16
-
$14,443 NZD
View
Most Expensive
B
NZ Jewellers
7925cd1c-bf23-4e7e-9f8b-046b00297260 · Nov 5
$15,208 NZD
$8,549 USD
View
16 more retailers have this diamond
Prices start from $7,185 NZDSave up to $8,023 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
$7,185 NZD