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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7553193937

Certificate GIA 7553193937

Diamond specifications and retailer prices

From $13,309 NZD
HK$58,600 HKD
As of November 1, 2026
Save $9,951 NZD (43%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $29,787 NZD at NZ Jewellers · As of September 27, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553193937. Listed at 24 retailers as of November 1, 2026, with a 75% 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7553193937
Dimensions7.28 × 7.33 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Indented Natural, Natural
Top View
7.28 mm7.33 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7553193937
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

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: Nov 1
Current: $19,373 NZD|Low: $14,169 NZD|High: $23,541 NZD|Avg: $18,292 NZD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$14,203 NZD
Retailer 2$15,743 NZD
Retailer 7$15,991 NZD
Retailer 11$16,348 NZD
Retailer 3$16,439 NZD
Retailer 10$16,439 NZD
Retailer 6$17,136 NZD
Retailer 1$19,373 NZD
Retailer 8$21,880 NZD
Retailer 9$22,996 NZD
Retailer 5$23,259 NZD

25 data points across 11 retailers

24 retailers$13,309 NZD to $23,259 NZD

A
Cheapest Retailer
-
$13,309 NZD
HK$58,600 HKD
A
Retailer 2
-
$14,203 NZD
₹762,350 INR
View
Retailer 3
-
$14,400 NZD
$8,116 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$14,732 NZD
SGD 11,220 SGD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$15,743 NZD
SGD 11,990 SGD
View
B+
Retailer 6
-
$15,991 NZD
£7,097 GBP
View
B+
Retailer 7
-
$16,077 NZD
$9,061 USD
View
B+
Retailer 8
-
$16,084 NZD
$9,065 USD
View
B+
Retailer 9
-
$16,324 NZD
$9,200 USD
View
Retailer 10
-
$16,348 NZD
A$14,175 AUD
View
Price last confirmed 8 days ago
Retailer 11
-
$16,439 NZD
$9,265 USD
View
Price last confirmed 16 days ago
Retailer 12
-
$16,439 NZD
$9,265 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$16,439 NZD
$9,265 USD
View
Final sale: no returns
B+
Retailer 14
-
$16,859 NZD
A$14,618 AUD
View
B+
Retailer 15
-
$17,136 NZD
£7,605 GBP
View
Retailer 16
-
$17,809 NZD
$10,037 USD
View
Price last confirmed 24 days ago
Retailer 17
-
$18,084 NZD
$10,192 USD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$18,214 NZD
$10,265 USD
View
B+
Retailer 19
-
$19,373 NZD
€10,399 EUR
View
Retailer 20
-
$20,550 NZD
$11,582 USD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$21,880 NZD
ZAR 199,215 ZAR
View
B
Retailer 22
-
$22,996 NZD
£10,205 GBP
View
B
Retailer 23
-
$23,259 NZD
£10,322 GBP
View
Most Expensive
NZ Jewellers
6460c838-1ee3-48c6-889d-4c2a6d138f02 · Sep 27
$29,787 NZD
$16,788 USD
View
Price last confirmed 35 days ago
23 more retailers have this diamond
Prices start from $13,309 NZDSave up to $9,951 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
$13,309 NZD