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Marquise|Natural|GIA

1.50ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1548830127

Certificate GIA 1548830127

Diamond specifications and retailer prices

From $7,783 USD
As of October 29, 2026
Save $8,917 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,700 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548830127. Listed at 17 retailers as of October 27, 2026, with prices from $7,783 to $16,700, a $8,917 spread on the same certified stone. NZ Jewellers lists it at $16,700. 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
E
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1548830127
Dimensions12.89 × 5.44 × 3.53 mm
L/W Ratio2.37
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
12.89 mm5.44 mm1.50 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1548830127
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.9%

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: Oct 29
Current: $16,700 USD|Low: $7,783 USD|High: $16,812 USD|Avg: $10,352 USD|-0.7%
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
October 29, 2026
Retailer 6$7,783 USD
Retailer 5$8,350 USD
Retailer 8$8,350 USD
Retailer 4$8,460 USD
Retailer 15$8,900 USD
Retailer 10$9,046 USD
Retailer 2$9,076 USD
Retailer 9$9,185 USD
Retailer 11$9,463 USD
Retailer 7$10,438 USD
Retailer 13$10,895 USD
Retailer 3$10,991 USD
Retailer 14$12,916 USD
Retailer 12$13,990 USD
NZ Jewellers$16,700 USD

28 data points across 15 retailers

17 retailers$7,783 USD to $16,700 USD

A
Cheapest Retailer
-
$7,783 USD
A
Retailer 2
-
$8,350 USD
View
A
Retailer 3
-
$8,350 USD
View
Final sale: no returns
A
Retailer 4
-
$8,406 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$8,460 USD
View
A
Retailer 6
-
$8,900 USD
View
A
Retailer 7
-
$9,046 USD
View
A
Retailer 8
-
$9,076 USD
£7,147 GBP
View
A
Retailer 9
-
$9,185 USD
View
A
Retailer 10
-
$9,463 USD
£7,451 GBP
View
B+
Retailer 11
-
$9,480 USD
View
B+
Retailer 12
-
$10,438 USD
View
B+
Retailer 13
-
$10,895 USD
€10,376 EUR
View
B+
Retailer 14
-
$10,991 USD
View
B
Retailer 15
-
$12,916 USD
£10,170 GBP
View
B
Retailer 16
-
$13,990 USD
£11,016 GBP
View
Most Expensive
B
NZ Jewellers
2be15730-a2fe-4a04-82d0-040361fdc254 · Oct 27
$16,700 USD
View
16 more retailers have this diamond
Prices start from $7,783 USDSave up to $8,917 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.

A
1.50ct Marquise
$7,783 USD