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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6531235342

Certificate GIA 6531235342

Diamond specifications and retailer prices

From $8,210 NZD
$4,627 USD
As of October 30, 2026
Save $9,959 NZD (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,169 NZD at NZ Jewellers · As of October 27, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6531235342. Listed at 22 retailers as of October 27, 2026, with prices from $8,210 to $18,169, a $9,959 spread on the same certified stone. NZ Jewellers lists it at $18,169. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531235342
Dimensions7.31 × 7.34 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Feather, Crystal, Needle, Natural
Top View
7.31 mm7.34 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531235342
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: Oct 30
Current: $18,169 NZD|Low: $7,495 NZD|High: $18,169 NZD|Avg: $10,650 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 14$7,495 NZD
Retailer 10$8,210 NZD
Retailer 7$8,339 NZD
Retailer 9$8,582 NZD
Retailer 11$8,692 NZD
Retailer 6$9,724 NZD
Retailer 8$9,840 NZD
Retailer 18$9,840 NZD
Retailer 19$9,840 NZD
Retailer 21$10,302 NZD
Retailer 15$10,352 NZD
Retailer 12$10,710 NZD
Retailer 3$11,001 NZD
Retailer 20$11,001 NZD
Retailer 2$11,217 NZD
Retailer 5$11,356 NZD
Retailer 16$11,356 NZD
Retailer 13$11,785 NZD
Retailer 4$15,739 NZD
Retailer 17$16,026 NZD
NZ Jewellers$18,169 NZD

32 data points across 21 retailers

22 retailers$8,210 NZD to $18,169 NZD

Retailer 1
-
$7,495 NZD
HK$33,000 HKD
Price last confirmed 51 days ago
A
Retailer 2
-
$8,210 NZD
$4,627 USD
View
Retailer 3
-
$8,339 NZD
$4,700 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$8,582 NZD
$4,837 USD
View
A
Retailer 5
-
$8,692 NZD
$4,899 USD
View
A
Retailer 6
-
$8,940 NZD
A$7,752 AUD
View
B+
Retailer 7
-
$9,724 NZD
$5,481 USD
View
B+
Retailer 8
-
$9,840 NZD
$5,546 USD
View
B+
Retailer 9
-
$9,840 NZD
$5,546 USD
View
B+
Retailer 10
-
$9,840 NZD
$5,546 USD
View
B+
Retailer 11
-
$10,302 NZD
$5,806 USD
View
B+
Retailer 12
-
$10,352 NZD
£4,594 GBP
View
Retailer 13
-
$10,710 NZD
$6,036 USD
View
Price last confirmed 18 days ago
B+
Retailer 14
-
$11,001 NZD
$6,200 USD
View
B+
Retailer 15
-
$11,001 NZD
$6,200 USD
View
B+
Retailer 16
-
$11,217 NZD
€6,021 EUR
View
B+
Retailer 17
-
$11,356 NZD
$6,400 USD
View
B+
Retailer 18
-
$11,356 NZD
$6,400 USD
View
B+
Retailer 19
-
$11,785 NZD
£5,230 GBP
View
B
Retailer 20
-
$15,739 NZD
$8,870 USD
View
B
Retailer 21
-
$16,026 NZD
£7,112 GBP
View
Most Expensive
B
NZ Jewellers
6a24d490-60d2-49bc-afd6-38d392c3b7e6 · Oct 27
$18,169 NZD
$10,240 USD
View
21 more retailers have this diamond
Prices start from $8,210 NZDSave up to $9,959 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
$8,210 NZD