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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2556755740

Certificate GIA 2556755740

Diamond specifications and retailer prices

From €4,023 EUR
$4,495 USD
As of November 1, 2026
Save €3,857 EUR (49%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €7,880 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct natural oval diamond

This 1.51ct natural oval 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 2556755740. Listed at 26 retailers as of October 29, 2026, with prices from €4,023 to €7,880, a €3,857 spread on the same certified stone. MOH London lists it at €7,880. 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

1.51
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556755740
Dimensions8.77 × 6.26 × 3.93 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Knot, Crystal, Feather, Indented Natural, Needle
Top View
8.77 mm6.26 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556755740
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.7%

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: €7,880 EUR|Low: €4,156 EUR|High: €7,944 EUR|Avg: €5,400 EUR|+0.3%
MOH London
Retailer 2
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Retailer 11
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Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 11€4,156 EUR
Retailer 9€4,203 EUR
Retailer 24€4,204 EUR
Retailer 12€4,257 EUR
Retailer 10€4,449 EUR
Retailer 6€4,516 EUR
Retailer 8€4,766 EUR
Retailer 7€4,820 EUR
Retailer 19€4,820 EUR
Retailer 23€4,881 EUR
Retailer 22€4,904 EUR
Retailer 17€4,936 EUR
Retailer 15€5,050 EUR
Retailer 18€5,119 EUR
Retailer 13€5,190 EUR
Retailer 4€5,388 EUR
Retailer 14€5,388 EUR
Retailer 16€5,456 EUR
Retailer 21€5,561 EUR
Retailer 5€5,567 EUR
Retailer 2€5,681 EUR
Retailer 20€6,537 EUR
Retailer 3€7,707 EUR
MOH London€7,880 EUR

34 data points across 24 retailers

26 retailers€4,023 EUR to €7,880 EUR

B+
Cheapest Retailer
-
€4,023 EUR
$4,495 USD
B+
Retailer 2
-
€4,156 EUR
$4,643 USD
View
B+
Retailer 3
-
€4,203 EUR
$4,696 USD
View
B+
Retailer 4
-
€4,204 EUR
$4,697 USD
View
B+
Retailer 5
-
€4,257 EUR
$4,755 USD
View
B+
Retailer 6
-
€4,379 EUR
A$7,527 AUD
View
B+
Retailer 7
-
€4,393 EUR
$4,908 USD
View
B+
Retailer 8
-
€4,449 EUR
$4,970 USD
View
Final sale: no returns
B+
Retailer 9
-
€4,516 EUR
$5,045 USD
View
B
Retailer 10
-
€4,766 EUR
$5,325 USD
View
B+
Retailer 11
-
€4,820 EUR
$5,385 USD
View
B
Retailer 12
-
€4,820 EUR
$5,385 USD
View
B
Retailer 13
-
€4,904 EUR
$5,479 USD
View
Retailer 14
-
€4,936 EUR
A$8,484 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
€5,050 EUR
$5,642 USD
View
B+
Retailer 16
-
€5,119 EUR
£4,503 GBP
View
B
Retailer 17
-
€5,190 EUR
£4,565 GBP
View
B
Retailer 18
-
€5,388 EUR
$6,020 USD
View
B
Retailer 19
-
€5,388 EUR
$6,020 USD
View
B
Retailer 20
-
€5,456 EUR
$6,095 USD
View
B
Retailer 21
-
€5,561 EUR
$6,213 USD
View
B
Retailer 22
-
€5,567 EUR
$6,220 USD
View
B
Retailer 23
-
€5,681 EUR
View
B
Retailer 24
-
€6,537 EUR
ZAR 117,978 ZAR
View
B
Retailer 25
-
€7,707 EUR
$8,611 USD
View
Most Expensive
B
MOH London
23DAD2790 · Oct 29
€7,880 EUR
£6,932 GBP
View
25 more retailers have this diamond
Prices start from €4,023 EURSave up to €3,857 EUR

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 Oval
€4,023 EUR