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Round|Natural|GIA

1.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6552687684

Certificate GIA 6552687684

Diamond specifications and retailer prices

From $8,547 NZD
$4,817 USD
As of October 31, 2026
Save $10,328 NZD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,875 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552687684. Listed at 20 retailers as of October 30, 2026, with prices from $8,547 to $18,875, a $10,328 spread on the same certified stone. NZ Jewellers lists it at $18,875. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552687684
Dimensions7.38 × 7.41 × 4.49 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp
Top View
7.38 mm7.41 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552687684
Side View
Table 56.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 31
Current: $18,875 NZD|Low: $8,547 NZD|High: $18,875 NZD|Avg: $11,592 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
November 2, 2026
Retailer 8$8,547 NZD
Retailer 10$8,650 NZD
Retailer 4$9,436 NZD
Retailer 3$10,224 NZD
Retailer 11$10,224 NZD
Retailer 12$10,224 NZD
Retailer 7$10,484 NZD
Retailer 2$10,664 NZD
Retailer 5$10,683 NZD
Retailer 13$11,797 NZD
Retailer 6$12,275 NZD
Retailer 9$16,715 NZD
NZ Jewellers$18,875 NZD

35 data points across 13 retailers

20 retailers$8,547 NZD to $18,875 NZD

A
Cheapest Retailer
-
$8,547 NZD
$4,817 USD
A
Retailer 2
-
$8,650 NZD
$4,875 USD
View
A
Retailer 3
-
$8,916 NZD
$5,025 USD
View
A
Retailer 4
-
$8,960 NZD
$5,050 USD
View
A
Retailer 5
-
$9,436 NZD
$5,318 USD
View
Final sale: no returns
A
Retailer 6
-
$10,093 NZD
$5,689 USD
View
A
Retailer 7
-
$10,224 NZD
$5,762 USD
View
A
Retailer 8
-
$10,224 NZD
$5,762 USD
View
A
Retailer 9
-
$10,224 NZD
$5,762 USD
View
A
Retailer 10
-
$10,484 NZD
£4,653 GBP
View
A
Retailer 11
-
$10,664 NZD
£4,733 GBP
View
A
Retailer 12
-
$10,683 NZD
$6,021 USD
View
B+
Retailer 13
-
$11,409 NZD
$6,430 USD
View
B+
Retailer 14
-
$11,409 NZD
$6,430 USD
View
B+
Retailer 15
-
$11,781 NZD
$6,640 USD
View
B+
Retailer 16
-
$11,797 NZD
$6,649 USD
View
B+
Retailer 17
-
$12,275 NZD
€6,589 EUR
View
Retailer 18
-
$12,441 NZD
$7,012 USD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$16,715 NZD
£7,418 GBP
View
Most Expensive
B
NZ Jewellers
6aa90f12-10cb-44a1-aaa7-1b2223598626 · Oct 30
$18,875 NZD
$10,638 USD
View
19 more retailers have this diamond
Prices start from $8,547 NZDSave up to $10,328 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
$8,547 NZD