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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6452167699

Certificate GIA 6452167699

Diamond specifications and retailer prices

From $13,627 NZD
$7,680 USD
As of November 1, 2026
Save $11,859 NZD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $25,486 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452167699. Listed at 18 retailers as of October 30, 2026, with prices from $13,627 to $25,486, a $11,859 spread on the same certified stone. NZ Jewellers lists it at $25,486. 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
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6452167699
Dimensions7.39 × 7.35 × 4.46 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
7.39 mm7.35 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452167699
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 60.4%

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 1
Current: $25,486 NZD|Low: $12,743 NZD|High: $25,486 NZD|Avg: $18,425 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$13,627 NZD
Retailer 7$15,291 NZD
Retailer 10$15,291 NZD
Retailer 11$16,565 NZD
Retailer 2$16,598 NZD
Retailer 8$16,820 NZD
Retailer 4$18,947 NZD
Retailer 9$19,115 NZD
Retailer 3$20,128 NZD
Retailer 5$23,881 NZD
NZ Jewellers$25,486 NZD

39 data points across 11 retailers

18 retailers$13,627 NZD to $25,486 NZD

B+
Cheapest Retailer
-
$13,627 NZD
$7,680 USD
B+
Retailer 2
-
$13,880 NZD
$7,823 USD
View
B
Retailer 3
-
$14,319 NZD
$8,070 USD
View
B
Retailer 4
-
$14,925 NZD
CA$11,683 CAD
View
B
Retailer 5
-
$15,291 NZD
$8,618 USD
View
B
Retailer 6
-
$15,291 NZD
$8,618 USD
View
Final sale: no returns
B
Retailer 7
-
$16,565 NZD
$9,336 USD
View
B
Retailer 8
-
$16,598 NZD
£7,366 GBP
View
B
Retailer 9
-
$16,820 NZD
$9,480 USD
View
B
Retailer 10
-
$17,598 NZD
$9,918 USD
View
B
Retailer 11
-
$18,062 NZD
$10,180 USD
View
B
Retailer 12
-
$18,062 NZD
$10,180 USD
View
B
Retailer 13
-
$18,666 NZD
$10,520 USD
View
B
Retailer 14
-
$18,947 NZD
€10,170 EUR
View
B
Retailer 15
-
$19,115 NZD
$10,773 USD
View
Retailer 16
-
$20,128 NZD
$11,344 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$23,881 NZD
£10,598 GBP
View
Most Expensive
B
NZ Jewellers
7873b98c-a4e4-4365-a09c-061d1d43ec55 · Oct 30
$25,486 NZD
$14,364 USD
View
17 more retailers have this diamond
Prices start from $13,627 NZDSave up to $11,859 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
$13,627 NZD