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Marquise|Natural|GIA

1.50ct J SI1 Marquise Natural Diamond

ID • J/SI1 • GIA 6552214701

Certificate GIA 6552214701

Diamond specifications and retailer prices

From $6,778 USD
As of November 6, 2026
Save $5,923 USD (47%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,701 USD at MOH London · As of November 4, 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 J 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 6552214701. Listed at 17 retailers as of November 4, 2026, with prices from $6,778 to $12,701, a $5,923 spread on the same certified stone. MOH London lists it at $12,701. 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
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552214701
Dimensions11.33 × 5.92 × 3.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle
Top View
11.33 mm5.92 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552214701
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

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 6
Current: $12,701 USD|Low: $6,778 USD|High: $12,888 USD|Avg: $8,566 USD|-1.3%
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
November 6, 2026
Retailer 4$6,778 USD
Retailer 9$6,830 USD
Retailer 12$6,960 USD
Retailer 3$7,101 USD
Retailer 17$7,155 USD
Retailer 5$7,348 USD
Retailer 16$7,498 USD
Retailer 6$8,141 USD
Retailer 10$8,440 USD
Retailer 14$8,467 USD
Retailer 13$8,609 USD
Retailer 8$8,770 USD
Retailer 2$9,427 USD
Retailer 15$9,737 USD
Retailer 7$10,061 USD
Retailer 11$11,148 USD
MOH London$12,701 USD

42 data points across 17 retailers

17 retailers$6,778 USD to $12,701 USD

B+
Cheapest Retailer
-
$6,778 USD
B+
Retailer 2
-
$6,960 USD
View
B
Retailer 3
-
$7,101 USD
View
B
Retailer 4
-
$7,127 USD
View
B+
Retailer 5
-
$7,155 USD
View
B+
Retailer 6
-
$7,348 USD
View
B+
Retailer 7
-
$7,498 USD
View
B
Retailer 8
-
$8,141 USD
View
B
Retailer 9
-
$8,440 USD
View
B
Retailer 10
-
$8,467 USD
View
Retailer 11
-
$8,609 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$8,770 USD
View
B
Retailer 13
-
$9,427 USD
View
B
Retailer 14
-
$9,737 USD
View
Retailer 15
-
$10,061 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$11,148 USD
View
Most Expensive
B
MOH London
B1939AF06 · Nov 4
$12,701 USD
£10,001 GBP
View
16 more retailers have this diamond
Prices start from $6,778 USDSave up to $5,923 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
$6,778 USD