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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6532007868

Certificate GIA 6532007868

Diamond specifications and retailer prices

From $8,839 NZD
As of November 1, 2026
Save $10,822 NZD (55%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $19,661 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532007868. Listed at 26 retailers as of November 1, 2026, with prices from $8,839 to $19,661, a $10,822 spread on the same certified stone. NZ Jewellers lists it at $19,661. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532007868
Dimensions7.26 × 7.32 × 4.58 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.26 mm7.32 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532007868
Side View
Table 58.0%Crown 35°Girdle: Medium to Slightly ThickPavilion 41.6°Culet: NoneDepth 62.8%

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 1
Current: $19,661 NZD|Low: $8,839 NZD|High: $19,661 NZD|Avg: $11,433 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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 6, 2026
Retailer 3$8,839 NZD
Retailer 6$8,962 NZD
Retailer 7$9,029 NZD
Retailer 12$9,288 NZD
Retailer 2$9,292 NZD
Retailer 8$9,409 NZD
Retailer 14$9,829 NZD
Retailer 25$9,939 NZD
Retailer 18$10,277 NZD
Retailer 15$10,437 NZD
Retailer 9$10,508 NZD
Retailer 4$10,650 NZD
Retailer 5$10,650 NZD
Retailer 10$10,650 NZD
Retailer 24$10,841 NZD
Retailer 19$11,090 NZD
Retailer 17$11,641 NZD
Retailer 13$12,025 NZD
Retailer 11$12,288 NZD
Retailer 20$12,523 NZD
Retailer 16$12,961 NZD
Retailer 21$14,343 NZD
Retailer 23$17,036 NZD
Retailer 22$17,272 NZD
NZ Jewellers$19,661 NZD

29 data points across 25 retailers

26 retailers$8,839 NZD to $19,661 NZD

A
Cheapest Retailer
-
$8,839 NZD
A
Retailer 2
-
$8,962 NZD
View
A
Retailer 3
-
$9,029 NZD
View
A
Retailer 4
-
$9,288 NZD
View
A
Retailer 5
-
$9,292 NZD
View
A
Retailer 6
-
$9,409 NZD
View
B+
Retailer 7
-
$9,829 NZD
View
Final sale: no returns
B+
Retailer 8
-
$9,939 NZD
View
B+
Retailer 9
-
$10,277 NZD
View
B+
Retailer 10
-
$10,437 NZD
View
B+
Retailer 11
-
$10,508 NZD
View
B+
Retailer 12
-
$10,650 NZD
View
Retailer 13
-
$10,650 NZD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$10,650 NZD
View
B+
Retailer 15
-
$10,841 NZD
View
B+
Retailer 16
-
$11,090 NZD
View
Retailer 17
-
$11,251 NZD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$11,641 NZD
View
B+
Retailer 19
-
$12,025 NZD
View
B+
Retailer 20
-
$12,288 NZD
View
B+
Retailer 21
-
$12,523 NZD
View
Retailer 22
-
$12,961 NZD
View
Price last confirmed 14 days ago
B+
Retailer 23
-
$14,343 NZD
View
B
Retailer 24
-
$17,036 NZD
View
B
Retailer 25
-
$17,272 NZD
View
Most Expensive
B
NZ Jewellers
f32ba4af-7690-4b3f-bc30-144d71be6371 · Nov 5
$19,661 NZD
$10,899 USD
View
25 more retailers have this diamond
Prices start from $8,839 NZDSave up to $10,822 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
1.50ct Round
$8,839 NZD