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Round|Natural|IGI

1.54ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 670438186

Shape and cutting style on the report: Round brilliant

Certificate IGI 670438186

Diamond specifications and retailer prices

From $2,788 NZD
As of November 5, 2026
Save $994 NZD (26%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,457 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670438186. Listed at 12 retailers as of October 31, 2026, with a 36% 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

1.54
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 670438186
Dimensions7.25 × 7.31 × 4.63 mm
L/W Ratio1.01
Girdle conditionPARTLY FACETED
Culet sizePointed
Top View
7.25 mm7.31 mm1.54 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 670438186
Side View
Table 56.0%Crown 36.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 63.5%

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: Nov 5
Current: $7,457 NZD|Low: $2,055 NZD|High: $7,457 NZD|Avg: $3,608 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
November 6, 2026
Retailer 6$2,055 NZD
Retailer 10$2,788 NZD
Retailer 13$3,033 NZD
Retailer 3$3,058 NZD
Retailer 9$3,058 NZD
Retailer 11$3,175 NZD
Retailer 12$3,198 NZD
Retailer 4$3,300 NZD
Retailer 2$3,328 NZD
Retailer 14$3,528 NZD
Retailer 7$3,730 NZD
Retailer 8$3,782 NZD
Retailer 5$4,938 NZD
NZ Jewellers$7,457 NZD

37 data points across 14 retailers

12 retailers$2,788 NZD to $3,782 NZD

A
Cheapest Retailer
-
$2,788 NZD
A
Retailer 2
-
$3,033 NZD
View
Retailer 3
-
$3,058 NZD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$3,058 NZD
View
B+
Retailer 5
-
$3,175 NZD
View
Retailer 6
-
$3,198 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,300 NZD
View
A
Retailer 8
-
$3,328 NZD
View
B+
Retailer 9
-
$3,528 NZD
View
A
Retailer 10
-
$3,730 NZD
View
B+
Retailer 11
-
$3,782 NZD
View
Most Expensive
NZ Jewellers
0cc48aca-18e6-471c-97b8-5d80ea2a5fa0 · Oct 30
$7,457 NZD
$4,192 USD
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from $2,788 NZDSave up to $994 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
$2,788 NZD