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Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

VG • H/SI1 • GIA 1257122355

Certificate GIA 1257122355

Diamond specifications and retailer prices

From €6,531 EUR
$7,325 USD
As of November 2, 2026
Save €5,749 EUR (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €12,280 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H 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 1257122355. Listed at 20 retailers as of November 1, 2026, with prices from €6,531 to €12,280, a €5,749 spread on the same certified stone. MOH London lists it at €12,280. 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
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1257122355
Dimensions6.67 × 6.35 × 4.29 mm
L/W Ratio1.05
Top View
6.67 mm6.35 mm1.51 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1257122355
Side View
Table 65.0%CrownGirdle: MED-EXTPavilionCulet: NoneDepth 67.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €12,280 EUR|Low: €6,531 EUR|High: €12,428 EUR|Avg: €8,403 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3€6,531 EUR
Retailer 7€6,571 EUR
Retailer 8€6,900 EUR
Retailer 11€7,369 EUR
Retailer 9€7,498 EUR
Retailer 6€8,143 EUR
Retailer 10€8,220 EUR
Retailer 4€8,231 EUR
Retailer 2€9,149 EUR
Retailer 5€10,825 EUR
MOH London€12,280 EUR

44 data points across 11 retailers

20 retailers€6,531 EUR to €12,280 EUR

B
Cheapest Retailer
-
€6,531 EUR
$7,325 USD
B
Retailer 2
-
€6,571 EUR
$7,370 USD
View
B
Retailer 3
-
€6,858 EUR
$7,692 USD
View
B
Retailer 4
-
€6,900 EUR
$7,739 USD
View
B
Retailer 5
-
€7,099 EUR
$7,962 USD
View
B
Retailer 6
-
€7,185 EUR
CA$11,193 CAD
View
B
Retailer 7
-
€7,329 EUR
$8,220 USD
View
B
Retailer 8
-
€7,369 EUR
$8,265 USD
View
B
Retailer 9
-
€7,498 EUR
$8,410 USD
View
Retailer 10
-
€8,143 EUR
A$14,052 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
€8,220 EUR
$9,220 USD
View
B
Retailer 12
-
€8,231 EUR
£7,269 GBP
View
B
Retailer 13
-
€8,472 EUR
$9,502 USD
View
B
Retailer 14
-
€8,729 EUR
$9,790 USD
View
B
Retailer 15
-
€8,729 EUR
$9,790 USD
View
B
Retailer 16
-
€9,014 EUR
$10,110 USD
View
B
Retailer 17
-
€9,149 EUR
View
Retailer 18
-
€9,700 EUR
$10,880 USD
View
Price last confirmed 10 days ago
B
Retailer 19
-
€10,825 EUR
ZAR 196,151 ZAR
View
Most Expensive
B
MOH London
353BC0986 · Nov 1
€12,280 EUR
£10,845 GBP
View
19 more retailers have this diamond
Prices start from €6,531 EURSave up to €5,749 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 Cushion
€6,531 EUR