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Marquise|Natural|GIA

1.50ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2544995398

Certificate GIA 2544995398

Diamond specifications and retailer prices

From $7,951 USD
As of November 2, 2026
Save $6,370 USD (44%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,321 USD at NZ Jewellers · As of October 27, 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 2544995398. Listed at 21 retailers as of October 27, 2026, with prices from $7,951 to $14,321, a $6,370 spread on the same certified stone. NZ Jewellers lists it at $14,321. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544995398
Dimensions10.95 × 5.92 × 3.84 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.95 mm5.92 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544995398
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.9%

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: $14,321 USD|Low: $7,951 USD|High: $14,321 USD|Avg: $10,048 USD
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
Retailer 20
Retailer 21
November 2, 2026
Retailer 11$7,951 USD
Retailer 5$8,045 USD
Retailer 20$8,535 USD
Retailer 4$8,593 USD
Retailer 10$8,664 USD
Retailer 6$8,906 USD
Retailer 12$9,160 USD
Retailer 17$9,309 USD
Retailer 15$9,315 USD
Retailer 21$9,436 USD
Retailer 3$9,452 USD
Retailer 7$9,492 USD
Retailer 2$9,749 USD
Retailer 9$10,532 USD
Retailer 8$10,587 USD
Retailer 19$10,741 USD
Retailer 13$10,824 USD
Retailer 14$11,310 USD
Retailer 18$12,623 USD
Retailer 16$13,420 USD
NZ Jewellers$14,321 USD

19 data points across 21 retailers

21 retailers$7,951 USD to $14,321 USD

B+
Cheapest Retailer
-
$7,951 USD
B+
Retailer 2
-
$8,045 USD
View
B+
Retailer 3
-
$8,535 USD
View
Retailer 4
-
$8,593 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$8,664 USD
View
B
Retailer 6
-
$8,906 USD
CA$12,369 CAD
View
B
Retailer 7
-
$9,160 USD
View
B
Retailer 8
-
$9,309 USD
View
B
Retailer 9
-
$9,315 USD
£7,334 GBP
View
Retailer 10
-
$9,436 USD
A$14,517 AUD
View
Price last confirmed 9 days ago
Retailer 11
-
$9,452 USD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$9,492 USD
View
B+
Retailer 13
-
$9,749 USD
£7,677 GBP
View
B
Retailer 14
-
$10,532 USD
View
B
Retailer 15
-
$10,587 USD
View
B
Retailer 16
-
$10,741 USD
View
B
Retailer 17
-
$10,824 USD
€10,309 EUR
View
Retailer 18
-
$11,310 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
$12,623 USD
ZAR 203,930 ZAR
View
B
Retailer 20
-
$13,420 USD
£10,567 GBP
View
Most Expensive
B
NZ Jewellers
b540eeae-3f64-4cdf-8e35-f742a2ceb8b4 · Oct 27
$14,321 USD
View
20 more retailers have this diamond
Prices start from $7,951 USDSave up to $6,370 USD

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
$7,951 USD