Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7558706544

Certificate GIA 7558706544

Diamond specifications and retailer prices

From $11,320 CAD
$8,104 USD
As of October 30, 2026
Save $10,329 CAD (48%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,649 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise 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 stated by the retailer rather than the lab and certified by GIA 7558706544. Listed at 23 retailers as of October 30, 2026, with prices from $11,320 to $21,649, a $10,329 spread on the same certified stone. NZ Jewellers lists it at $21,649. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.32°
Pavilion angle41.54°
OriginNatural
Grading LabGIA
CertificateGIA 7558706544
Dimensions11.37 × 6.01 × 3.77 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.37 mm6.01 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558706544
Side View
Table 61.0%Crown 39.32°Girdle: MED-THKPavilion 41.54°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $21,649 CAD|Low: $11,205 CAD|High: $21,649 CAD|Avg: $15,016 CAD
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 3$11,320 CAD
Retailer 10$12,163 CAD
Retailer 6$12,546 CAD
Retailer 5$12,872 CAD
Retailer 17$12,990 CAD
Retailer 19$12,990 CAD
Retailer 4$14,072 CAD
Retailer 2$14,215 CAD
Retailer 14$14,285 CAD
Retailer 18$14,289 CAD
Retailer 8$14,452 CAD
Retailer 16$14,457 CAD
Retailer 7$15,282 CAD
Retailer 9$15,282 CAD
Retailer 11$15,799 CAD
Retailer 12$16,367 CAD
Retailer 15$18,746 CAD
Retailer 13$20,396 CAD
NZ Jewellers$21,649 CAD

42 data points across 19 retailers

23 retailers$11,320 CAD to $21,649 CAD

B+
Cheapest Retailer
-
$11,320 CAD
$8,104 USD
B+
Retailer 2
-
$12,163 CAD
$8,707 USD
View
B
Retailer 3
-
$12,546 CAD
$8,981 USD
View
B
Retailer 4
-
$12,872 CAD
$9,215 USD
View
B
Retailer 5
-
$12,990 CAD
$9,299 USD
View
B
Retailer 6
-
$12,990 CAD
$9,299 USD
View
Final sale: no returns
B
Retailer 7
-
$13,099 CAD
$9,377 USD
View
B
Retailer 8
-
$14,072 CAD
$10,074 USD
View
B+
Retailer 9
-
$14,215 CAD
£8,013 GBP
View
Retailer 10
-
$14,285 CAD
A$15,733 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$14,289 CAD
$10,229 USD
View
Retailer 12
-
$14,452 CAD
$10,346 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$14,457 CAD
$10,349 USD
View
Price last confirmed 11 days ago
Retailer 14
-
$15,282 CAD
$10,940 USD
View
Price last confirmed 10 days ago
Retailer 15
-
$15,282 CAD
$10,940 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$15,385 CAD
$11,014 USD
View
B
Retailer 17
-
$15,499 CAD
$11,096 USD
View
Retailer 18
-
$15,799 CAD
$11,310 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$16,238 CAD
$11,624 USD
View
B
Retailer 20
-
$16,367 CAD
€11,159 EUR
View
Retailer 21
-
$18,746 CAD
ZAR 216,796 ZAR
View
Price last confirmed 10 days ago
B
Retailer 22
-
$20,396 CAD
£11,497 GBP
View
Most Expensive
B
NZ Jewellers
516e55f6-e4ab-4615-9d7f-69bdbc8f4a91 · Oct 30
$21,649 CAD
$15,498 USD
View
22 more retailers have this diamond
Prices start from $11,320 CADSave up to $10,329 CAD

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.

B+
1.50ct Marquise
$11,320 CAD