CaratHunter
Plans
Marquise|Natural|IGI

1.52ct K SI1 Marquise Natural Diamond

EX • K/SI1 • IGI 788607910

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607910

Diamond specifications and retailer prices

From $4,401 AUD
As of November 6, 2026
Save $4,015 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,037 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.52ct natural marquise diamond

This 1.52ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 788607910. Listed at 14 retailers as of November 2, 2026, with a 91% 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

1.52
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 788607910
Dimensions12.28 × 5.95 × 3.68 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Top View
12.28 mm5.95 mm1.52 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607910
Side View
Table 62.0%Crown 37.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

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 6
Current: $4,401 AUD|Low: $4,401 AUD|High: $8,779 AUD|Avg: $5,632 AUD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$4,401 AUD
Retailer 9$4,778 AUD
Retailer 10$4,817 AUD
Retailer 7$4,854 AUD
Retailer 3$5,167 AUD
Retailer 2$5,187 AUD
Retailer 5$5,193 AUD
Retailer 4$5,771 AUD
Retailer 6$6,143 AUD
Retailer 8$8,417 AUD

43 data points across 10 retailers

14 retailers$4,401 AUD to $8,417 AUD

A
Cheapest Retailer
-
$4,401 AUD
A
Retailer 2
-
$4,778 AUD
View
A
Retailer 3
-
$4,817 AUD
View
B+
Retailer 4
-
$4,854 AUD
View
A
Retailer 5
-
$5,167 AUD
View
Retailer 6
-
$5,187 AUD
View
Price last confirmed 37 days ago
Retailer 7
-
$5,187 AUD
View
Price last confirmed 22 days ago
A
Retailer 8
-
$5,193 AUD
View
Retailer 9
-
$5,386 AUD
View
Price last confirmed 37 days ago
A
Retailer 10
-
$5,771 AUD
View
Retailer 11
-
$5,985 AUD
View
Price last confirmed 39 days ago
A
Retailer 12
-
$6,143 AUD
View
B+
Retailer 13
-
$8,417 AUD
View
Most Expensive
NZ Jewellers
3785a687-cc6c-43b0-b93f-a73c6f14708e · Sep 30
$9,037 AUD
$6,209 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from $4,401 AUDSave up to $4,015 AUD

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
1.52ct Marquise
$4,401 AUD