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Round|Natural|GIA

1.50ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6542718051

Certificate GIA 6542718051

Diamond specifications and retailer prices

From $12,165 NZD
₹650,717 INR
As of October 29, 2026
Save $9,543 NZD (44%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $25,913 NZD at NZ Jewellers · As of October 20, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6542718051. Listed at 18 retailers as of October 29, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542718051
Dimensions7.26 × 7.29 × 4.55 mm
L/W Ratio1.00
Top View
7.26 mm7.29 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542718051
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 29
Current: $16,620 NZD|Low: $11,578 NZD|High: $21,853 NZD|Avg: $15,445 NZD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 2$11,578 NZD
Retailer 4$12,165 NZD
Retailer 9$13,688 NZD
Retailer 3$14,295 NZD
Retailer 10$14,301 NZD
Retailer 7$15,976 NZD
Retailer 8$16,191 NZD
Retailer 5$16,546 NZD
Retailer 1$16,620 NZD
Retailer 6$21,708 NZD

38 data points across 10 retailers

18 retailers$12,165 NZD to $21,708 NZD

Retailer 1
-
$11,578 NZD
HK$50,800 HKD
Price last confirmed 9 days ago
A
Retailer 2
-
$12,165 NZD
₹650,717 INR
View
Retailer 3
-
$13,087 NZD
SGD 9,933 SGD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$13,391 NZD
$7,521 USD
View
Retailer 5
-
$13,683 NZD
$7,685 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$13,688 NZD
SGD 10,389 SGD
View
A
Retailer 7
-
$14,295 NZD
£6,322 GBP
View
B+
Retailer 8
-
$14,301 NZD
$8,032 USD
View
Final sale: no returns
Retailer 9
-
$14,303 NZD
$8,033 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$15,494 NZD
$8,702 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$15,830 NZD
$8,891 USD
View
B+
Retailer 12
-
$15,976 NZD
$8,973 USD
View
B+
Retailer 13
-
$16,191 NZD
$9,094 USD
View
B+
Retailer 14
-
$16,546 NZD
£7,317 GBP
View
B+
Retailer 15
-
$16,620 NZD
€8,890 EUR
View
B+
Retailer 16
-
$17,878 NZD
$10,041 USD
View
B
Retailer 17
-
$21,708 NZD
£9,600 GBP
View
Most Expensive
NZ Jewellers
7f0bb906-727a-4a4a-8e08-16fd6baf6d98 · Oct 20
$25,913 NZD
$14,554 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from $12,165 NZDSave up to $9,543 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
$12,165 NZD