Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 7558706544

Certificate GIA 7558706544

Diamond specifications and retailer prices

From $14,403 NZD
$8,104 USD
As of November 2, 2026
Save $13,141 NZD (48%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $27,545 NZD 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 $14,403 to $27,545, a $13,141 spread on the same certified stone. NZ Jewellers lists it at $27,545. 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
Colour
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: Nov 2
Current: $27,545 NZD|Low: $14,256 NZD|High: $27,545 NZD|Avg: $19,268 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
Retailer 16
November 2, 2026
Retailer 3$14,403 NZD
Retailer 6$15,962 NZD
Retailer 5$16,378 NZD
Retailer 14$16,527 NZD
Retailer 16$16,527 NZD
Retailer 4$17,905 NZD
Retailer 9$17,936 NZD
Retailer 12$18,176 NZD
Retailer 15$18,180 NZD
Retailer 8$18,388 NZD
Retailer 13$18,393 NZD
Retailer 7$19,444 NZD
Retailer 2$20,817 NZD
Retailer 11$24,280 NZD
Retailer 10$25,811 NZD
NZ Jewellers$27,545 NZD

43 data points across 16 retailers

23 retailers$14,403 NZD to $27,545 NZD

B+
Cheapest Retailer
-
$14,403 NZD
$8,104 USD
B+
Retailer 2
-
$15,475 NZD
$8,707 USD
View
B
Retailer 3
-
$15,962 NZD
$8,981 USD
View
B
Retailer 4
-
$16,378 NZD
$9,215 USD
View
B
Retailer 5
-
$16,527 NZD
$9,299 USD
View
B
Retailer 6
-
$16,527 NZD
$9,299 USD
View
Final sale: no returns
B
Retailer 7
-
$16,666 NZD
$9,377 USD
View
B
Retailer 8
-
$17,905 NZD
$10,074 USD
View
B+
Retailer 9
-
$17,936 NZD
£7,946 GBP
View
Retailer 10
-
$18,176 NZD
A$15,733 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$18,180 NZD
$10,229 USD
View
Retailer 12
-
$18,388 NZD
$10,346 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$18,393 NZD
$10,349 USD
View
Price last confirmed 12 days ago
Retailer 14
-
$19,444 NZD
$10,940 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$19,444 NZD
$10,940 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$19,575 NZD
$11,014 USD
View
B
Retailer 17
-
$19,720 NZD
$11,096 USD
View
Retailer 18
-
$20,101 NZD
$11,310 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$20,659 NZD
$11,624 USD
View
B
Retailer 20
-
$20,817 NZD
€11,155 EUR
View
B
Retailer 21
-
$24,280 NZD
ZAR 220,698 ZAR
View
B
Retailer 22
-
$25,811 NZD
£11,435 GBP
View
Most Expensive
B
NZ Jewellers
516e55f6-e4ab-4615-9d7f-69bdbc8f4a91 · Oct 30
$27,545 NZD
$15,498 USD
View
22 more retailers have this diamond
Prices start from $14,403 NZDSave up to $13,141 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.

B+
1.50ct Marquise
$14,403 NZD