Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5212917870

Certificate GIA 5212917870

Diamond specifications and retailer prices

From €3,827 EUR
$4,275 USD
As of October 31, 2026
Save €4,230 EUR (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €8,056 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct 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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5212917870. Listed at 24 retailers as of October 31, 2026, with prices from €3,827 to €8,056, a €4,230 spread on the same certified stone. MOH London lists it at €8,056. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5212917870
Dimensions6.22 × 6.14 × 4.53 mm
L/W Ratio1.01
Top View
6.22 mm6.14 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5212917870
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €8,056 EUR|Low: €4,029 EUR|High: €8,153 EUR|Avg: €5,330 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8€4,029 EUR
Retailer 6€4,055 EUR
Retailer 9€4,582 EUR
Retailer 2€4,766 EUR
Retailer 3€4,935 EUR
Retailer 7€5,085 EUR
Retailer 5€5,724 EUR
Retailer 4€6,217 EUR
MOH London€8,056 EUR

35 data points across 9 retailers

24 retailers€3,827 EUR to €8,056 EUR

A
Cheapest Retailer
-
€3,827 EUR
$4,275 USD
A
Retailer 2
-
€3,952 EUR
$4,415 USD
View
A
Retailer 3
-
€3,996 EUR
$4,464 USD
View
B+
Retailer 4
-
€4,029 EUR
$4,501 USD
View
Final sale: no returns
B+
Retailer 5
-
€4,046 EUR
$4,520 USD
View
B+
Retailer 6
-
€4,055 EUR
$4,530 USD
View
B+
Retailer 7
-
€4,297 EUR
CA$6,667 CAD
View
B+
Retailer 8
-
€4,304 EUR
$4,808 USD
View
B+
Retailer 9
-
€4,305 EUR
$4,810 USD
View
B+
Retailer 10
-
€4,582 EUR
$5,119 USD
View
B+
Retailer 11
-
€4,766 EUR
£4,193 GBP
View
B+
Retailer 12
-
€4,815 EUR
$5,379 USD
View
B+
Retailer 13
-
€4,828 EUR
$5,394 USD
View
B+
Retailer 14
-
€4,935 EUR
£4,341 GBP
View
Retailer 15
-
€5,085 EUR
A$8,740 AUD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
€5,129 EUR
$5,730 USD
View
B+
Retailer 17
-
€5,129 EUR
$5,730 USD
View
B
Retailer 18
-
€5,299 EUR
$5,920 USD
View
Retailer 19
-
€5,580 EUR
$6,234 USD
View
Price last confirmed 9 days ago
B+
Retailer 20
-
€5,724 EUR
View
B
Retailer 21
-
€5,827 EUR
$6,510 USD
View
B
Retailer 22
-
€6,217 EUR
ZAR 112,213 ZAR
View
B
Retailer 23
-
€7,325 EUR
$8,184 USD
View
Most Expensive
B
MOH London
8641C0CA0 · Nov 1
€8,056 EUR
£7,087 GBP
View
23 more retailers have this diamond
Prices start from €3,827 EURSave up to €4,230 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.

A
1.50ct Cushion
€3,827 EUR