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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 2567290792

Certificate GIA 2567290792

Diamond specifications and retailer prices

From $10,715 NZD
HK$47,100 HKD
As of November 1, 2026
Save $9,173 NZD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $19,888 NZD at MOH London · As of November 2, 2026
View at MOH London

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 2567290792. Listed at 18 retailers as of November 1, 2026, with prices from $10,715 to $19,888, a $9,173 spread on the same certified stone. MOH London lists it at $19,888. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567290792
Dimensions11.31 × 5.96 × 3.78 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Knot, Cavity, Needle
Top View
11.31 mm5.96 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567290792
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.4%

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: $19,888 NZD|Low: $10,715 NZD|High: $20,427 NZD|Avg: $14,161 NZD|-2.6%
MOH London
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
November 2, 2026
Retailer 3$10,715 NZD
Retailer 10$12,413 NZD
Retailer 7$12,736 NZD
Retailer 17$13,010 NZD
Retailer 9$13,125 NZD
Retailer 16$13,125 NZD
Retailer 5$13,172 NZD
Retailer 13$13,347 NZD
Retailer 8$13,369 NZD
Retailer 11$13,540 NZD
Retailer 6$13,882 NZD
Retailer 15$14,270 NZD
Retailer 2$14,490 NZD
Retailer 14$14,570 NZD
Retailer 12$15,590 NZD
Retailer 4$16,465 NZD
Retailer 18$17,531 NZD
MOH London$19,888 NZD

30 data points across 18 retailers

18 retailers$10,715 NZD to $19,888 NZD

A
Cheapest Retailer
-
$10,715 NZD
HK$47,100 HKD
Retailer 2
-
$12,413 NZD
SGD 9,438 SGD
View
Price last confirmed 22 days ago
B+
Retailer 3
-
$12,736 NZD
SGD 9,684 SGD
View
B+
Retailer 4
-
$13,010 NZD
$7,320 USD
View
B+
Retailer 5
-
$13,125 NZD
$7,385 USD
View
B+
Retailer 6
-
$13,125 NZD
$7,385 USD
View
B+
Retailer 7
-
$13,172 NZD
$7,411 USD
View
Final sale: no returns
B+
Retailer 8
-
$13,347 NZD
£5,913 GBP
View
Retailer 9
-
$13,369 NZD
$7,522 USD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
$13,540 NZD
£5,999 GBP
View
Retailer 11
-
$13,882 NZD
A$12,016 AUD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$14,270 NZD
$8,029 USD
View
B+
Retailer 13
-
$14,490 NZD
$8,153 USD
View
B+
Retailer 14
-
$14,570 NZD
$8,198 USD
View
B+
Retailer 15
-
$15,590 NZD
€8,354 EUR
View
B
Retailer 16
-
$16,465 NZD
$9,264 USD
View
B+
Retailer 17
-
$17,531 NZD
ZAR 159,352 ZAR
View
Most Expensive
B
MOH London
B88E0531F · Nov 2
$19,888 NZD
£8,811 GBP
View
17 more retailers have this diamond
Prices start from $10,715 NZDSave up to $9,173 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
1.50ct Marquise
$10,715 NZD