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Round|Natural|GIA

1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7518908709

Certificate GIA 7518908709

Diamond specifications and retailer prices

From $8,494 NZD
HK$37,400 HKD
As of November 1, 2026
Save $10,626 NZD (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,120 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518908709. Listed at 17 retailers as of October 30, 2026, with prices from $8,494 to $19,120, a $10,626 spread on the same certified stone. NZ Jewellers lists it at $19,120. 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

1.54
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7518908709
Dimensions7.36 × 7.31 × 4.54 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.36 mm7.31 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518908709
Side View
Table 60.0%Crown 35°Girdle: STK-STKPavilion 41°Culet: NoneDepth 61.9%

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: $19,120 NZD|Low: $8,403 NZD|High: $19,120 NZD|Avg: $12,103 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 12$8,494 NZD
Retailer 11$8,657 NZD
Retailer 6$10,552 NZD
Retailer 15$10,619 NZD
Retailer 9$10,893 NZD
Retailer 7$11,259 NZD
Retailer 3$11,432 NZD
Retailer 4$11,432 NZD
Retailer 14$11,432 NZD
Retailer 5$11,712 NZD
Retailer 2$12,437 NZD
Retailer 13$13,190 NZD
Retailer 10$14,046 NZD
Retailer 8$16,842 NZD
NZ Jewellers$19,120 NZD

33 data points across 15 retailers

17 retailers$8,494 NZD to $19,120 NZD

A
Cheapest Retailer
-
$8,494 NZD
HK$37,400 HKD
A
Retailer 2
-
$8,657 NZD
₹464,652 INR
View
Retailer 3
-
$9,774 NZD
SGD 7,444 SGD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$10,066 NZD
$5,673 USD
View
B+
Retailer 5
-
$10,552 NZD
$5,947 USD
View
Final sale: no returns
B+
Retailer 6
-
$10,619 NZD
$5,985 USD
View
B+
Retailer 7
-
$10,893 NZD
£4,834 GBP
View
Retailer 8
-
$11,259 NZD
A$9,763 AUD
View
Price last confirmed 23 days ago
B+
Retailer 9
-
$11,432 NZD
$6,443 USD
View
B+
Retailer 10
-
$11,432 NZD
$6,443 USD
View
B+
Retailer 11
-
$11,432 NZD
$6,443 USD
View
B+
Retailer 12
-
$11,712 NZD
$6,601 USD
View
B+
Retailer 13
-
$12,437 NZD
€6,676 EUR
View
B
Retailer 14
-
$13,190 NZD
$7,434 USD
View
B+
Retailer 15
-
$14,046 NZD
ZAR 127,886 ZAR
View
B
Retailer 16
-
$16,842 NZD
£7,474 GBP
View
Most Expensive
B
NZ Jewellers
3c03c2d9-1418-4dac-95ec-90d54b308e71 · Oct 30
$19,120 NZD
$10,776 USD
View
16 more retailers have this diamond
Prices start from $8,494 NZDSave up to $10,626 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
1.54ct Round
$8,494 NZD