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Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

EX • G/I1 • GIA 6422694331

Certificate GIA 6422694331

Diamond specifications and retailer prices

From $8,851 NZD
$4,980 USD
As of November 1, 2026
Save $10,507 NZD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $19,358 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6422694331. Listed at 14 retailers as of October 30, 2026, with prices from $8,851 to $19,358, a $10,507 spread on the same certified stone. NZ Jewellers lists it at $19,358. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6422694331
Dimensions7.29 × 7.27 × 4.58 mm
L/W Ratio1.00
Top View
7.29 mm7.27 mm1.50 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422694331
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: $19,358 NZD|Low: $8,345 NZD|High: $19,358 NZD|Avg: $11,666 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
November 1, 2026
Retailer 7$8,345 NZD
Retailer 8$8,851 NZD
Retailer 14$9,089 NZD
Retailer 9$9,144 NZD
Retailer 10$10,486 NZD
Retailer 12$10,486 NZD
Retailer 13$10,486 NZD
Retailer 11$12,098 NZD
Retailer 3$12,263 NZD
Retailer 5$12,263 NZD
Retailer 6$12,423 NZD
Retailer 2$12,589 NZD
Retailer 4$12,672 NZD
Retailer 15$13,799 NZD
NZ Jewellers$19,358 NZD

20 data points across 15 retailers

14 retailers$8,851 NZD to $19,358 NZD

B+
Cheapest Retailer
-
$8,851 NZD
$4,980 USD
B+
Retailer 2
-
$9,144 NZD
$5,145 USD
View
Retailer 3
-
$10,486 NZD
$5,900 USD
View
Price last confirmed 56 days ago
B
Retailer 4
-
$10,486 NZD
$5,900 USD
View
B
Retailer 5
-
$10,486 NZD
$5,900 USD
View
B
Retailer 6
-
$10,486 NZD
$5,900 USD
View
Retailer 7
-
$12,098 NZD
$6,807 USD
View
Price last confirmed 56 days ago
B
Retailer 8
-
$12,098 NZD
$6,807 USD
View
B
Retailer 9
-
$12,263 NZD
$6,900 USD
View
B
Retailer 10
-
$12,263 NZD
$6,900 USD
View
B
Retailer 11
-
$12,589 NZD
€6,746 EUR
View
B
Retailer 12
-
$12,672 NZD
$7,130 USD
View
Retailer 13
-
$19,358 NZD
$10,892 USD
View
Price last confirmed 62 days ago
Most Expensive
B
NZ Jewellers
a84032ce-b00e-4a62-9f02-3b03233adfb0 · Oct 30
$19,358 NZD
$10,892 USD
View
13 more retailers have this diamond
Prices start from $8,851 NZDSave up to $10,507 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
$8,851 NZD