Round|Natural|GIA

1.51ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 2241040984

Certificate GIA 2241040984

Diamond specifications and retailer prices

From $3,166 USD
As of October 27, 2026
Save $3,620 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,786 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2241040984. Listed at 17 retailers as of October 26, 2026, with prices from $3,166 to $6,786, a $3,620 spread on the same certified stone. MOH London lists it at $6,786. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2241040984
Dimensions7.15 × 7.10 × 4.62 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.15 mm7.10 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241040984
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $6,786 USD|Low: $2,722 USD|High: $6,814 USD|Avg: $3,891 USD|-0.4%
MOH London
Retailer 2
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Retailer 20
October 29, 2026
Retailer 10$2,722 USD
Retailer 12$2,898 USD
Retailer 7$3,115 USD
Retailer 3$3,166 USD
Retailer 15$3,194 USD
Retailer 11$3,237 USD
Retailer 5$3,259 USD
Retailer 6$3,388 USD
Retailer 4$3,672 USD
Retailer 9$3,867 USD
Retailer 8$3,972 USD
Retailer 13$4,094 USD
Retailer 16$4,150 USD
Retailer 17$4,150 USD
Retailer 19$4,290 USD
Retailer 2$4,533 USD
Retailer 20$4,629 USD
Retailer 14$5,260 USD
Retailer 18$5,857 USD
MOH London$6,786 USD

29 data points across 20 retailers

17 retailers$3,166 USD to $6,786 USD

Retailer 1
-
$3,115 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$3,166 USD
View
B+
Retailer 3
-
$3,194 USD
View
A
Retailer 4
-
$3,259 USD
View
B+
Retailer 5
-
$3,366 USD
A$5,179 AUD
View
B+
Retailer 6
-
$3,672 USD
View
Retailer 7
-
$3,867 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$3,972 USD
View
B+
Retailer 9
-
$4,094 USD
£3,224 GBP
View
B+
Retailer 10
-
$4,150 USD
View
B+
Retailer 11
-
$4,150 USD
View
B+
Retailer 12
-
$4,290 USD
View
B+
Retailer 13
-
$4,533 USD
€4,317 EUR
View
B+
Retailer 14
-
$4,629 USD
£3,645 GBP
View
B
Retailer 15
-
$5,260 USD
£4,141 GBP
View
B
Retailer 16
-
$5,857 USD
View
Most Expensive
B
MOH London
85B89C6D0 · Oct 26
$6,786 USD
£5,343 GBP
View
16 more retailers have this diamond
Prices start from $3,166 USDSave up to $3,620 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
1.51ct Round
$3,166 USD