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Marquise|Natural|GIA

1.51ct J SI1 Marquise Natural Diamond

VG • J/SI1 • GIA 3545622871

Certificate GIA 3545622871

Diamond specifications and retailer prices

From $6,470 USD
As of November 1, 2026
Save $5,218 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,688 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 3545622871. Listed at 14 retailers as of October 29, 2026, with prices from $6,470 to $11,688, a $5,218 spread on the same certified stone. MOH London lists it at $11,688. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.19°
Pavilion angle39.93°
OriginNatural
Grading LabGIA
CertificateGIA 3545622871
Dimensions10.83 × 5.85 × 3.83 mm
L/W Ratio1.85
Top View
10.83 mm5.85 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545622871
Side View
Table 59.0%Crown 41.19°Girdle: STK-VTKPavilion 39.93°Culet: NoneDepth 65.5%

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 1
Current: $11,688 USD|Low: $4,003 USD|High: $11,688 USD|Avg: $7,637 USD
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
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Retailer 16
Retailer 17
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Retailer 19
November 3, 2026
Retailer 8$4,003 USD
Retailer 10$5,312 USD
Retailer 17$6,470 USD
Retailer 19$6,591 USD
Retailer 9$6,712 USD
Retailer 15$6,886 USD
Retailer 4$6,980 USD
Retailer 5$7,034 USD
Retailer 2$7,874 USD
Retailer 14$7,987 USD
Retailer 6$8,340 USD
Retailer 18$8,340 USD
Retailer 3$8,610 USD
Retailer 12$8,627 USD
Retailer 7$8,718 USD
Retailer 16$9,188 USD
Retailer 11$9,923 USD
Retailer 13$10,248 USD
MOH London$11,688 USD

7 data points across 19 retailers

14 retailers$6,470 USD to $11,688 USD

B+
Cheapest Retailer
-
$6,470 USD
B
Retailer 2
-
$6,591 USD
View
B
Retailer 3
-
$6,886 USD
CA$9,563 CAD
View
B
Retailer 4
-
$6,980 USD
View
B
Retailer 5
-
$7,034 USD
View
B
Retailer 6
-
$7,874 USD
£6,200 GBP
View
B
Retailer 7
-
$7,987 USD
View
B
Retailer 8
-
$8,269 USD
View
B
Retailer 9
-
$8,340 USD
View
B
Retailer 10
-
$8,340 USD
View
B
Retailer 11
-
$8,610 USD
View
B
Retailer 12
-
$8,627 USD
€8,216 EUR
View
B
Retailer 13
-
$10,248 USD
ZAR 165,565 ZAR
View
Most Expensive
C
MOH London
4CF3E6899 · Oct 29
$11,688 USD
£9,203 GBP
View
13 more retailers have this diamond
Prices start from $6,470 USDSave up to $5,218 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+
1.51ct Marquise
$6,470 USD