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Round|Natural|GIA

1.50ct I I1 Round Natural Diamond

VG • I/I1 • GIA 6415661187

Certificate GIA 6415661187

Diamond specifications and retailer prices

From $6,961 NZD
HK$30,600 HKD
As of November 1, 2026
Save $8,819 NZD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $15,781 NZD at NZ Jewellers · As of November 2, 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 I1 clarity (included), with a very-good cut grade and certified by GIA 6415661187. Listed at 12 retailers as of November 1, 2026, with prices from $6,961 to $15,781, a $8,819 spread on the same certified stone. NZ Jewellers lists it at $15,781. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6415661187
Dimensions7.15 × 7.09 × 4.62 mm
L/W Ratio1.01
Top View
7.15 mm7.09 mm1.50 ctI / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6415661187
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.8%

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: $15,781 NZD|Low: $6,893 NZD|High: $16,029 NZD|Avg: $9,397 NZD|-1.6%
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
November 1, 2026
Retailer 7$6,961 NZD
Retailer 12$7,113 NZD
Retailer 10$7,305 NZD
Retailer 6$7,571 NZD
Retailer 4$8,549 NZD
Retailer 11$8,549 NZD
Retailer 14$8,549 NZD
Retailer 8$9,580 NZD
Retailer 13$9,580 NZD
Retailer 3$9,862 NZD
Retailer 9$9,900 NZD
Retailer 2$10,632 NZD
Retailer 5$11,405 NZD
NZ Jewellers$15,781 NZD

23 data points across 14 retailers

12 retailers$6,961 NZD to $15,781 NZD

B+
Cheapest Retailer
-
$6,961 NZD
HK$30,600 HKD
B+
Retailer 2
-
$7,113 NZD
$4,002 USD
View
B+
Retailer 3
-
$7,305 NZD
$4,110 USD
View
B
Retailer 4
-
$8,549 NZD
$4,810 USD
View
B
Retailer 5
-
$8,549 NZD
$4,810 USD
View
B
Retailer 6
-
$8,549 NZD
$4,810 USD
View
B
Retailer 7
-
$9,580 NZD
$5,390 USD
View
B
Retailer 8
-
$9,580 NZD
$5,390 USD
View
B
Retailer 9
-
$9,862 NZD
$5,549 USD
View
B
Retailer 10
-
$9,900 NZD
$5,570 USD
View
B
Retailer 11
-
$10,632 NZD
€5,697 EUR
View
Most Expensive
C
NZ Jewellers
a57d2745-4cbc-4e94-9e76-443b2efc3436 · Nov 2
$15,781 NZD
$8,879 USD
View
11 more retailers have this diamond
Prices start from $6,961 NZDSave up to $8,819 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
$6,961 NZD